20547423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 11950497

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2879, 7137, 8637, 25911, 37427, 112281, 175619, 336843, 526857, 1580571, 2283047, 6849141, 20547423]

約数ペア:

[(1, 20547423), (3, 6849141), (9, 2283047), (13, 1580571), (39, 526857), (61, 336843), (117, 175619), (183, 112281), (549, 37427), (793, 25911), (2379, 8637), (2879, 7137)]