20151924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 31027596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 606, 1212, 1279, 1313, 2558, 2626, 3837, 3939, 5116, 5252, 7674, 7878, 15348, 15756, 16627, 33254, 49881, 66508, 99762, 129179, 199524, 258358, 387537, 516716, 775074, 1550148, 1679327, 3358654, 5037981, 6717308, 10075962, 20151924]

約数ペア:

[(1, 20151924), (2, 10075962), (3, 6717308), (4, 5037981), (6, 3358654), (12, 1679327), (13, 1550148), (26, 775074), (39, 516716), (52, 387537), (78, 258358), (101, 199524), (156, 129179), (202, 99762), (303, 66508), (404, 49881), (606, 33254), (1212, 16627), (1279, 15756), (1313, 15348), (2558, 7878), (2626, 7674), (3837, 5252), (3939, 5116)]