20956325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3793}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 29638728

約数和(自身を除く): 8682403

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3793, 5525, 18965, 49309, 64481, 94825, 246545, 322405, 838253, 1232725, 1612025, 4191265, 20956325]

約数ペア:

[(1, 20956325), (5, 4191265), (13, 1612025), (17, 1232725), (25, 838253), (65, 322405), (85, 246545), (221, 94825), (325, 64481), (425, 49309), (1105, 18965), (3793, 5525)]