20505186

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87629}}^1$

素因数の和:87650

約数の個数: 24

約数和(自身を含む): 47845980

約数和(自身を除く): 27340794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87629, 175258, 262887, 525774, 788661, 1139177, 1577322, 2278354, 3417531, 6835062, 10252593, 20505186]

約数ペア:

[(1, 20505186), (2, 10252593), (3, 6835062), (6, 3417531), (9, 2278354), (13, 1577322), (18, 1139177), (26, 788661), (39, 525774), (78, 262887), (117, 175258), (234, 87629)]