20172504

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1840

約数の個数: 64

約数和(自身を含む): 56327040

約数和(自身を除く): 36154536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1777, 1892, 2838, 3554, 3784, 5331, 5676, 7108, 10662, 11352, 14216, 19547, 21324, 39094, 42648, 58641, 76411, 78188, 117282, 152822, 156376, 229233, 234564, 305644, 458466, 469128, 611288, 840521, 916932, 1681042, 1833864, 2521563, 3362084, 5043126, 6724168, 10086252, 20172504]

約数ペア:

[(1, 20172504), (2, 10086252), (3, 6724168), (4, 5043126), (6, 3362084), (8, 2521563), (11, 1833864), (12, 1681042), (22, 916932), (24, 840521), (33, 611288), (43, 469128), (44, 458466), (66, 305644), (86, 234564), (88, 229233), (129, 156376), (132, 152822), (172, 117282), (258, 78188), (264, 76411), (344, 58641), (473, 42648), (516, 39094), (946, 21324), (1032, 19547), (1419, 14216), (1777, 11352), (1892, 10662), (2838, 7108), (3554, 5676), (3784, 5331)]