20161587627

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^2$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 29570126040

約数和(自身を除く): 9408538413

約数列:

[1, 3, 9, 139, 233, 263, 417, 699, 789, 1251, 2097, 2367, 32387, 36557, 61279, 69169, 97161, 109671, 183837, 207507, 291483, 329013, 551511, 622521, 8517781, 9614491, 16116377, 25553343, 28843473, 48349131, 76660029, 86530419, 145047393, 2240176403, 6720529209, 20161587627]

約数ペア:

[(1, 20161587627), (3, 6720529209), (9, 2240176403), (139, 145047393), (233, 86530419), (263, 76660029), (417, 48349131), (699, 28843473), (789, 25553343), (1251, 16116377), (2097, 9614491), (2367, 8517781), (32387, 622521), (36557, 551511), (61279, 329013), (69169, 291483), (97161, 207507), (109671, 183837)]