20009769

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 29408832

約数和(自身を除く): 9399063

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 647, 793, 1941, 2379, 8411, 10309, 25233, 30927, 39467, 109343, 118401, 328029, 513071, 1539213, 6669923, 20009769]

約数ペア:

[(1, 20009769), (3, 6669923), (13, 1539213), (39, 513071), (61, 328029), (169, 118401), (183, 109343), (507, 39467), (647, 30927), (793, 25233), (1941, 10309), (2379, 8411)]