20172918665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1959487}}^1$

素因数の和:1959592

約数の個数: 16

約数和(自身を含む): 25394964480

約数和(自身を除く): 5222045815

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 1959487, 9797435, 56825123, 139123577, 284125615, 695617885, 4034583733, 20172918665]

約数ペア:

[(1, 20172918665), (5, 4034583733), (29, 695617885), (71, 284125615), (145, 139123577), (355, 56825123), (2059, 9797435), (10295, 1959487)]