20171075

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{9721}}^1$

素因数の和:9814

約数の個数: 12

約数和(自身を含む): 25316088

約数和(自身を除く): 5145013

約数列:

[1, 5, 25, 83, 415, 2075, 9721, 48605, 243025, 806843, 4034215, 20171075]

約数ペア:

[(1, 20171075), (5, 4034215), (25, 806843), (83, 243025), (415, 48605), (2075, 9721)]