20834910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1279}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 33677730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1279, 1629, 1810, 2558, 2715, 3258, 3837, 5430, 6395, 7674, 8145, 11511, 12790, 16290, 19185, 23022, 38370, 57555, 115110, 231499, 462998, 694497, 1157495, 1388994, 2083491, 2314990, 3472485, 4166982, 6944970, 10417455, 20834910]

約数ペア:

[(1, 20834910), (2, 10417455), (3, 6944970), (5, 4166982), (6, 3472485), (9, 2314990), (10, 2083491), (15, 1388994), (18, 1157495), (30, 694497), (45, 462998), (90, 231499), (181, 115110), (362, 57555), (543, 38370), (905, 23022), (1086, 19185), (1279, 16290), (1629, 12790), (1810, 11511), (2558, 8145), (2715, 7674), (3258, 6395), (3837, 5430)]