20565558790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131687}}^1$

素因数の和:131821

約数の個数: 64

約数和(自身を含む): 44601145344

約数和(自身を除く): 24035586554

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 97, 115, 161, 194, 230, 322, 485, 679, 805, 970, 1358, 1610, 2231, 3395, 4462, 6790, 11155, 15617, 22310, 31234, 78085, 131687, 156170, 263374, 658435, 921809, 1316870, 1843618, 3028801, 4609045, 6057602, 9218090, 12773639, 15144005, 21201607, 25547278, 30288010, 42403214, 63868195, 89415473, 106008035, 127736390, 178830946, 212016070, 293793697, 447077365, 587587394, 894154730, 1468968485, 2056555879, 2937936970, 4113111758, 10282779395, 20565558790]

約数ペア:

[(1, 20565558790), (2, 10282779395), (5, 4113111758), (7, 2937936970), (10, 2056555879), (14, 1468968485), (23, 894154730), (35, 587587394), (46, 447077365), (70, 293793697), (97, 212016070), (115, 178830946), (161, 127736390), (194, 106008035), (230, 89415473), (322, 63868195), (485, 42403214), (679, 30288010), (805, 25547278), (970, 21201607), (1358, 15144005), (1610, 12773639), (2231, 9218090), (3395, 6057602), (4462, 4609045), (6790, 3028801), (11155, 1843618), (15617, 1316870), (22310, 921809), (31234, 658435), (78085, 263374), (131687, 156170)]