20121749995

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1\times {\mathrm{45377}}^1$

素因数の和:46190

約数の個数: 16

約数和(自身を含む): 24366896928

約数和(自身を除く): 4245146933

約数列:

[1, 5, 131, 655, 677, 3385, 45377, 88687, 226885, 443435, 5944387, 29721935, 30720229, 153601145, 4024349999, 20121749995]

約数ペア:

[(1, 20121749995), (5, 4024349999), (131, 153601145), (655, 30720229), (677, 29721935), (3385, 5944387), (45377, 443435), (88687, 226885)]