20541055360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:793

約数の個数: 256

約数和(自身を含む): 57519383040

約数和(自身を除く): 36978327680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 107, 112, 128, 140, 146, 160, 214, 224, 280, 292, 320, 365, 428, 448, 511, 535, 560, 584, 587, 640, 730, 749, 856, 896, 1022, 1070, 1120, 1168, 1174, 1460, 1498, 1712, 2044, 2140, 2240, 2336, 2348, 2555, 2920, 2935, 2996, 3424, 3745, 4088, 4109, 4280, 4480, 4672, 4696, 5110, 5840, 5870, 5992, 6848, 7490, 7811, 8176, 8218, 8560, 9344, 9392, 10220, 11680, 11740, 11984, 13696, 14980, 15622, 16352, 16436, 17120, 18784, 20440, 20545, 23360, 23480, 23968, 29960, 31244, 32704, 32872, 34240, 37568, 39055, 40880, 41090, 42851, 46720, 46960, 47936, 54677, 59920, 62488, 62809, 65408, 65744, 68480, 75136, 78110, 81760, 82180, 85702, 93920, 95872, 109354, 119840, 124976, 125618, 131488, 156220, 163520, 164360, 171404, 187840, 214255, 218708, 239680, 249952, 251236, 262976, 273385, 299957, 312440, 314045, 327040, 328720, 342808, 375680, 428510, 437416, 439663, 479360, 499904, 502472, 525952, 546770, 599914, 624880, 628090, 657440, 685616, 857020, 874832, 879326, 999808, 1004944, 1093540, 1199828, 1249760, 1256180, 1314880, 1371232, 1499785, 1714040, 1749664, 1758652, 2009888, 2187080, 2198315, 2399656, 2499520, 2512360, 2629760, 2742464, 2999570, 3428080, 3499328, 3517304, 4019776, 4374160, 4396630, 4585057, 4799312, 4999040, 5024720, 5484928, 5999140, 6856160, 6998656, 7034608, 8039552, 8748320, 8793260, 9170114, 9598624, 10049440, 11998280, 13712320, 14069216, 17496640, 17586520, 18340228, 19197248, 20098880, 22925285, 23996560, 27424640, 28138432, 32095399, 34993280, 35173040, 36680456, 38394496, 40197760, 45850570, 47993120, 56276864, 64190798, 70346080, 73360912, 91701140, 95986240, 128381596, 140692160, 146721824, 160476995, 183402280, 191972480, 256763192, 281384320, 293443648, 320953990, 366804560, 513526384, 586887296, 641907980, 733609120, 1027052768, 1283815960, 1467218240, 2054105536, 2567631920, 2934436480, 4108211072, 5135263840, 10270527680, 20541055360]

約数ペア:

[(1, 20541055360), (2, 10270527680), (4, 5135263840), (5, 4108211072), (7, 2934436480), (8, 2567631920), (10, 2054105536), (14, 1467218240), (16, 1283815960), (20, 1027052768), (28, 733609120), (32, 641907980), (35, 586887296), (40, 513526384), (56, 366804560), (64, 320953990), (70, 293443648), (73, 281384320), (80, 256763192), (107, 191972480), (112, 183402280), (128, 160476995), (140, 146721824), (146, 140692160), (160, 128381596), (214, 95986240), (224, 91701140), (280, 73360912), (292, 70346080), (320, 64190798), (365, 56276864), (428, 47993120), (448, 45850570), (511, 40197760), (535, 38394496), (560, 36680456), (584, 35173040), (587, 34993280), (640, 32095399), (730, 28138432), (749, 27424640), (856, 23996560), (896, 22925285), (1022, 20098880), (1070, 19197248), (1120, 18340228), (1168, 17586520), (1174, 17496640), (1460, 14069216), (1498, 13712320), (1712, 11998280), (2044, 10049440), (2140, 9598624), (2240, 9170114), (2336, 8793260), (2348, 8748320), (2555, 8039552), (2920, 7034608), (2935, 6998656), (2996, 6856160), (3424, 5999140), (3745, 5484928), (4088, 5024720), (4109, 4999040), (4280, 4799312), (4480, 4585057), (4672, 4396630), (4696, 4374160), (5110, 4019776), (5840, 3517304), (5870, 3499328), (5992, 3428080), (6848, 2999570), (7490, 2742464), (7811, 2629760), (8176, 2512360), (8218, 2499520), (8560, 2399656), (9344, 2198315), (9392, 2187080), (10220, 2009888), (11680, 1758652), (11740, 1749664), (11984, 1714040), (13696, 1499785), (14980, 1371232), (15622, 1314880), (16352, 1256180), (16436, 1249760), (17120, 1199828), (18784, 1093540), (20440, 1004944), (20545, 999808), (23360, 879326), (23480, 874832), (23968, 857020), (29960, 685616), (31244, 657440), (32704, 628090), (32872, 624880), (34240, 599914), (37568, 546770), (39055, 525952), (40880, 502472), (41090, 499904), (42851, 479360), (46720, 439663), (46960, 437416), (47936, 428510), (54677, 375680), (59920, 342808), (62488, 328720), (62809, 327040), (65408, 314045), (65744, 312440), (68480, 299957), (75136, 273385), (78110, 262976), (81760, 251236), (82180, 249952), (85702, 239680), (93920, 218708), (95872, 214255), (109354, 187840), (119840, 171404), (124976, 164360), (125618, 163520), (131488, 156220)]