20698002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 48648600

約数和(自身を除く): 27950598

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 449, 591, 898, 1182, 1347, 1773, 2561, 2694, 3546, 4041, 5122, 5837, 7683, 8082, 11674, 15366, 17511, 23049, 35022, 46098, 52533, 88453, 105066, 176906, 265359, 530718, 796077, 1149889, 1592154, 2299778, 3449667, 6899334, 10349001, 20698002]

約数ペア:

[(1, 20698002), (2, 10349001), (3, 6899334), (6, 3449667), (9, 2299778), (13, 1592154), (18, 1149889), (26, 796077), (39, 530718), (78, 265359), (117, 176906), (197, 105066), (234, 88453), (394, 52533), (449, 46098), (591, 35022), (898, 23049), (1182, 17511), (1347, 15366), (1773, 11674), (2561, 8082), (2694, 7683), (3546, 5837), (4041, 5122)]