20327512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 40687920

約数和(自身を除く): 20360408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 1091, 1096, 2182, 2329, 4364, 4658, 8728, 9316, 18547, 18632, 37094, 74188, 148376, 149467, 298934, 597868, 1195736, 2540939, 5081878, 10163756, 20327512]

約数ペア:

[(1, 20327512), (2, 10163756), (4, 5081878), (8, 2540939), (17, 1195736), (34, 597868), (68, 298934), (136, 149467), (137, 148376), (274, 74188), (548, 37094), (1091, 18632), (1096, 18547), (2182, 9316), (2329, 8728), (4364, 4658)]