20704586

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 36715008

約数和(自身を除く): 16010422

約数列:

[1, 2, 7, 14, 43, 86, 163, 211, 301, 326, 422, 602, 1141, 1477, 2282, 2954, 7009, 9073, 14018, 18146, 34393, 49063, 63511, 68786, 98126, 127022, 240751, 481502, 1478899, 2957798, 10352293, 20704586]

約数ペア:

[(1, 20704586), (2, 10352293), (7, 2957798), (14, 1478899), (43, 481502), (86, 240751), (163, 127022), (211, 98126), (301, 68786), (326, 63511), (422, 49063), (602, 34393), (1141, 18146), (1477, 14018), (2282, 9073), (2954, 7009)]