20426382

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 25905618

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 109, 174, 218, 261, 327, 359, 522, 654, 718, 981, 1077, 1962, 2154, 3161, 3231, 6322, 6462, 9483, 10411, 18966, 20822, 28449, 31233, 39131, 56898, 62466, 78262, 93699, 117393, 187398, 234786, 352179, 704358, 1134799, 2269598, 3404397, 6808794, 10213191, 20426382]

約数ペア:

[(1, 20426382), (2, 10213191), (3, 6808794), (6, 3404397), (9, 2269598), (18, 1134799), (29, 704358), (58, 352179), (87, 234786), (109, 187398), (174, 117393), (218, 93699), (261, 78262), (327, 62466), (359, 56898), (522, 39131), (654, 31233), (718, 28449), (981, 20822), (1077, 18966), (1962, 10411), (2154, 9483), (3161, 6462), (3231, 6322)]