20245737680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1394

約数の個数: 240

約数和(自身を含む): 56682872064

約数和(自身を除く): 36437134384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 103, 112, 140, 164, 196, 205, 206, 245, 280, 287, 328, 392, 410, 412, 490, 515, 560, 574, 656, 721, 784, 820, 824, 980, 1030, 1148, 1223, 1435, 1442, 1640, 1648, 1960, 2009, 2060, 2296, 2446, 2870, 2884, 3280, 3605, 3920, 4018, 4120, 4223, 4592, 4892, 5047, 5740, 5768, 6115, 7210, 8036, 8240, 8446, 8561, 9784, 10045, 10094, 11480, 11536, 12230, 14420, 16072, 16892, 17122, 19568, 20090, 20188, 21115, 22960, 24460, 25235, 28840, 29561, 32144, 33784, 34244, 40180, 40376, 42230, 42805, 48920, 50143, 50470, 57680, 59122, 59927, 67568, 68488, 80360, 80752, 84460, 85610, 97840, 100286, 100940, 118244, 119854, 125969, 136976, 147805, 160720, 168920, 171220, 200572, 201880, 206927, 236488, 239708, 250715, 251938, 295610, 299635, 337840, 342440, 351001, 401144, 403760, 413854, 472976, 479416, 501430, 503876, 591220, 599270, 629845, 684880, 702002, 802288, 827708, 881783, 958832, 1002860, 1007752, 1034635, 1182440, 1198540, 1259690, 1404004, 1655416, 1755005, 1763566, 2005720, 2015504, 2069270, 2364880, 2397080, 2457007, 2519380, 2808008, 3310832, 3510010, 3527132, 4011440, 4138540, 4408915, 4794160, 4914014, 5038760, 5164729, 5616016, 6172481, 7020020, 7054264, 8277080, 8817830, 9828028, 10077520, 10329458, 12285035, 12344962, 14040040, 14108528, 16554160, 17635660, 19656056, 20658916, 24570070, 24689924, 25823645, 28080080, 30862405, 35271320, 36153103, 39312112, 41317832, 49140140, 49379848, 51647290, 61724810, 70542640, 72306206, 82635664, 98280280, 98759696, 103294580, 123449620, 144612412, 180765515, 196560560, 206589160, 246899240, 253071721, 289224824, 361531030, 413178320, 493798480, 506143442, 578449648, 723062060, 1012286884, 1265358605, 1446124120, 2024573768, 2530717210, 2892248240, 4049147536, 5061434420, 10122868840, 20245737680]

約数ペア:

[(1, 20245737680), (2, 10122868840), (4, 5061434420), (5, 4049147536), (7, 2892248240), (8, 2530717210), (10, 2024573768), (14, 1446124120), (16, 1265358605), (20, 1012286884), (28, 723062060), (35, 578449648), (40, 506143442), (41, 493798480), (49, 413178320), (56, 361531030), (70, 289224824), (80, 253071721), (82, 246899240), (98, 206589160), (103, 196560560), (112, 180765515), (140, 144612412), (164, 123449620), (196, 103294580), (205, 98759696), (206, 98280280), (245, 82635664), (280, 72306206), (287, 70542640), (328, 61724810), (392, 51647290), (410, 49379848), (412, 49140140), (490, 41317832), (515, 39312112), (560, 36153103), (574, 35271320), (656, 30862405), (721, 28080080), (784, 25823645), (820, 24689924), (824, 24570070), (980, 20658916), (1030, 19656056), (1148, 17635660), (1223, 16554160), (1435, 14108528), (1442, 14040040), (1640, 12344962), (1648, 12285035), (1960, 10329458), (2009, 10077520), (2060, 9828028), (2296, 8817830), (2446, 8277080), (2870, 7054264), (2884, 7020020), (3280, 6172481), (3605, 5616016), (3920, 5164729), (4018, 5038760), (4120, 4914014), (4223, 4794160), (4592, 4408915), (4892, 4138540), (5047, 4011440), (5740, 3527132), (5768, 3510010), (6115, 3310832), (7210, 2808008), (8036, 2519380), (8240, 2457007), (8446, 2397080), (8561, 2364880), (9784, 2069270), (10045, 2015504), (10094, 2005720), (11480, 1763566), (11536, 1755005), (12230, 1655416), (14420, 1404004), (16072, 1259690), (16892, 1198540), (17122, 1182440), (19568, 1034635), (20090, 1007752), (20188, 1002860), (21115, 958832), (22960, 881783), (24460, 827708), (25235, 802288), (28840, 702002), (29561, 684880), (32144, 629845), (33784, 599270), (34244, 591220), (40180, 503876), (40376, 501430), (42230, 479416), (42805, 472976), (48920, 413854), (50143, 403760), (50470, 401144), (57680, 351001), (59122, 342440), (59927, 337840), (67568, 299635), (68488, 295610), (80360, 251938), (80752, 250715), (84460, 239708), (85610, 236488), (97840, 206927), (100286, 201880), (100940, 200572), (118244, 171220), (119854, 168920), (125969, 160720), (136976, 147805)]