20117720885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{949621}}^1$

素因数の和:949868

約数の個数: 16

約数和(自身を含む): 25525839360

約数和(自身を除く): 5408118475

約数列:

[1, 5, 19, 95, 223, 1115, 4237, 21185, 949621, 4748105, 18042799, 90213995, 211765483, 1058827415, 4023544177, 20117720885]

約数ペア:

[(1, 20117720885), (5, 4023544177), (19, 1058827415), (95, 211765483), (223, 90213995), (1115, 18042799), (4237, 4748105), (21185, 949621)]