20974625

素因数分解:

$5^3\times 7^1\times {\mathrm{23971}}^1$

素因数の和:23993

約数の個数: 16

約数和(自身を含む): 29917056

約数和(自身を除く): 8942431

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 23971, 119855, 167797, 599275, 838985, 2996375, 4194925, 20974625]

約数ペア:

[(1, 20974625), (5, 4194925), (7, 2996375), (25, 838985), (35, 599275), (125, 167797), (175, 119855), (875, 23971)]