20818629

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2917}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 32926712

約数和(自身を除く): 12108083

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2917, 7137, 8751, 26253, 37921, 113763, 177937, 341289, 533811, 1601433, 2313181, 6939543, 20818629]

約数ペア:

[(1, 20818629), (3, 6939543), (9, 2313181), (13, 1601433), (39, 533811), (61, 341289), (117, 177937), (183, 113763), (549, 37921), (793, 26253), (2379, 8751), (2917, 7137)]