20157740896

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1249}}^1$

素因数の和:1656

約数の個数: 96

約数和(自身を含む): 41871060000

約数和(自身を除く): 21713319104

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 317, 344, 592, 634, 688, 1184, 1249, 1268, 1376, 1591, 2498, 2536, 3182, 4996, 5072, 6364, 9992, 10144, 11729, 12728, 13631, 19984, 23458, 25456, 27262, 39968, 46213, 46916, 50912, 53707, 54524, 92426, 93832, 107414, 109048, 184852, 187664, 214828, 218096, 369704, 375328, 395933, 429656, 436192, 504347, 739408, 791866, 859312, 1008694, 1478816, 1583732, 1718624, 1987159, 2017388, 3167464, 3974318, 4034776, 6334928, 7948636, 8069552, 12669856, 14649521, 15897272, 16139104, 17025119, 29299042, 31794544, 34050238, 58598084, 63589088, 68100476, 117196168, 136200952, 234392336, 272401904, 468784672, 544803808, 629929403, 1259858806, 2519717612, 5039435224, 10078870448, 20157740896]

約数ペア:

[(1, 20157740896), (2, 10078870448), (4, 5039435224), (8, 2519717612), (16, 1259858806), (32, 629929403), (37, 544803808), (43, 468784672), (74, 272401904), (86, 234392336), (148, 136200952), (172, 117196168), (296, 68100476), (317, 63589088), (344, 58598084), (592, 34050238), (634, 31794544), (688, 29299042), (1184, 17025119), (1249, 16139104), (1268, 15897272), (1376, 14649521), (1591, 12669856), (2498, 8069552), (2536, 7948636), (3182, 6334928), (4996, 4034776), (5072, 3974318), (6364, 3167464), (9992, 2017388), (10144, 1987159), (11729, 1718624), (12728, 1583732), (13631, 1478816), (19984, 1008694), (23458, 859312), (25456, 791866), (27262, 739408), (39968, 504347), (46213, 436192), (46916, 429656), (50912, 395933), (53707, 375328), (54524, 369704), (92426, 218096), (93832, 214828), (107414, 187664), (109048, 184852)]