20143866

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 21420294

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 479, 489, 958, 978, 1437, 2874, 7009, 14018, 20597, 21027, 41194, 42054, 61791, 78077, 123582, 156154, 234231, 468462, 3357311, 6714622, 10071933, 20143866]

約数ペア:

[(1, 20143866), (2, 10071933), (3, 6714622), (6, 3357311), (43, 468462), (86, 234231), (129, 156154), (163, 123582), (258, 78077), (326, 61791), (479, 42054), (489, 41194), (958, 21027), (978, 20597), (1437, 14018), (2874, 7009)]