20628190128

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3185

約数の個数: 320

約数和(自身を含む): 69106688000

約数和(自身を除く): 48478497872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 49, 52, 56, 62, 78, 84, 91, 93, 98, 104, 112, 124, 147, 156, 168, 182, 186, 196, 208, 217, 248, 273, 294, 312, 336, 343, 364, 372, 392, 403, 434, 496, 546, 588, 624, 637, 651, 686, 728, 744, 784, 806, 868, 1029, 1092, 1176, 1209, 1274, 1302, 1372, 1456, 1488, 1519, 1612, 1736, 1911, 2058, 2184, 2352, 2418, 2548, 2604, 2744, 2821, 3038, 3109, 3224, 3472, 3822, 4116, 4368, 4459, 4557, 4836, 5096, 5208, 5488, 5642, 6076, 6218, 6448, 7644, 8232, 8463, 8918, 9114, 9327, 9672, 10192, 10416, 10633, 11284, 12152, 12436, 13377, 15288, 16464, 16926, 17836, 18228, 18654, 19344, 19747, 21266, 21763, 22568, 24304, 24872, 26754, 30576, 31899, 33852, 35672, 36456, 37308, 39494, 40417, 42532, 43526, 45136, 49744, 53508, 59241, 63798, 65289, 67704, 71344, 72912, 74616, 78988, 80834, 85064, 87052, 96379, 107016, 118482, 121251, 127596, 130578, 135408, 138229, 149232, 152341, 157976, 161668, 170128, 174104, 192758, 214032, 236964, 242502, 255192, 261156, 276458, 282919, 289137, 304682, 315952, 323336, 348208, 385516, 414687, 457023, 473928, 485004, 510384, 522312, 552916, 565838, 578274, 609364, 646672, 674653, 771032, 829374, 848757, 914046, 947856, 970008, 1044624, 1066387, 1105832, 1131676, 1156548, 1218728, 1252927, 1349306, 1542064, 1658748, 1697514, 1828092, 1940016, 1980433, 2023959, 2132774, 2211664, 2263352, 2313096, 2437456, 2505854, 2698612, 3199161, 3317496, 3395028, 3656184, 3758781, 3960866, 4047918, 4265548, 4526704, 4626192, 4722571, 5011708, 5397224, 5941299, 6398322, 6634992, 6790056, 7312368, 7517562, 7921732, 8095836, 8531096, 8770489, 9445142, 10023416, 10794448, 11882598, 12796644, 13580112, 13863031, 14167713, 15035124, 15843464, 16191672, 17062192, 17540978, 18890284, 20046832, 23765196, 25593288, 26311467, 27726062, 28335426, 30070248, 31686928, 32383344, 33057997, 35081956, 37780568, 41589093, 47530392, 51186576, 52622934, 55452124, 56670852, 60140496, 61393423, 66115994, 70163912, 75561136, 83178186, 95060784, 99173991, 105245868, 110904248, 113341704, 122786846, 132231988, 140327824, 166356372, 184180269, 198347982, 210491736, 221808496, 226683408, 245573692, 264463976, 332712744, 368360538, 396695964, 420983472, 429753961, 491147384, 528927952, 665425488, 736721076, 793391928, 859507922, 982294768, 1289261883, 1473442152, 1586783856, 1719015844, 2578523766, 2946884304, 3438031688, 5157047532, 6876063376, 10314095064, 20628190128]

約数ペア:

[(1, 20628190128), (2, 10314095064), (3, 6876063376), (4, 5157047532), (6, 3438031688), (7, 2946884304), (8, 2578523766), (12, 1719015844), (13, 1586783856), (14, 1473442152), (16, 1289261883), (21, 982294768), (24, 859507922), (26, 793391928), (28, 736721076), (31, 665425488), (39, 528927952), (42, 491147384), (48, 429753961), (49, 420983472), (52, 396695964), (56, 368360538), (62, 332712744), (78, 264463976), (84, 245573692), (91, 226683408), (93, 221808496), (98, 210491736), (104, 198347982), (112, 184180269), (124, 166356372), (147, 140327824), (156, 132231988), (168, 122786846), (182, 113341704), (186, 110904248), (196, 105245868), (208, 99173991), (217, 95060784), (248, 83178186), (273, 75561136), (294, 70163912), (312, 66115994), (336, 61393423), (343, 60140496), (364, 56670852), (372, 55452124), (392, 52622934), (403, 51186576), (434, 47530392), (496, 41589093), (546, 37780568), (588, 35081956), (624, 33057997), (637, 32383344), (651, 31686928), (686, 30070248), (728, 28335426), (744, 27726062), (784, 26311467), (806, 25593288), (868, 23765196), (1029, 20046832), (1092, 18890284), (1176, 17540978), (1209, 17062192), (1274, 16191672), (1302, 15843464), (1372, 15035124), (1456, 14167713), (1488, 13863031), (1519, 13580112), (1612, 12796644), (1736, 11882598), (1911, 10794448), (2058, 10023416), (2184, 9445142), (2352, 8770489), (2418, 8531096), (2548, 8095836), (2604, 7921732), (2744, 7517562), (2821, 7312368), (3038, 6790056), (3109, 6634992), (3224, 6398322), (3472, 5941299), (3822, 5397224), (4116, 5011708), (4368, 4722571), (4459, 4626192), (4557, 4526704), (4836, 4265548), (5096, 4047918), (5208, 3960866), (5488, 3758781), (5642, 3656184), (6076, 3395028), (6218, 3317496), (6448, 3199161), (7644, 2698612), (8232, 2505854), (8463, 2437456), (8918, 2313096), (9114, 2263352), (9327, 2211664), (9672, 2132774), (10192, 2023959), (10416, 1980433), (10633, 1940016), (11284, 1828092), (12152, 1697514), (12436, 1658748), (13377, 1542064), (15288, 1349306), (16464, 1252927), (16926, 1218728), (17836, 1156548), (18228, 1131676), (18654, 1105832), (19344, 1066387), (19747, 1044624), (21266, 970008), (21763, 947856), (22568, 914046), (24304, 848757), (24872, 829374), (26754, 771032), (30576, 674653), (31899, 646672), (33852, 609364), (35672, 578274), (36456, 565838), (37308, 552916), (39494, 522312), (40417, 510384), (42532, 485004), (43526, 473928), (45136, 457023), (49744, 414687), (53508, 385516), (59241, 348208), (63798, 323336), (65289, 315952), (67704, 304682), (71344, 289137), (72912, 282919), (74616, 276458), (78988, 261156), (80834, 255192), (85064, 242502), (87052, 236964), (96379, 214032), (107016, 192758), (118482, 174104), (121251, 170128), (127596, 161668), (130578, 157976), (135408, 152341), (138229, 149232)]