20165238725

素因数分解:

$5^2\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{27817}}^1$

素因数の和:28205

約数の個数: 24

約数和(自身を含む): 25332628608

約数和(自身を除く): 5167389883

約数列:

[1, 5, 25, 107, 271, 535, 1355, 2675, 6775, 27817, 28997, 139085, 144985, 695425, 724925, 2976419, 7538407, 14882095, 37692035, 74410475, 188460175, 806609549, 4033047745, 20165238725]

約数ペア:

[(1, 20165238725), (5, 4033047745), (25, 806609549), (107, 188460175), (271, 74410475), (535, 37692035), (1355, 14882095), (2675, 7538407), (6775, 2976419), (27817, 724925), (28997, 695425), (139085, 144985)]