20107777535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{990287}}^1$

素因数の和:990454

約数の個数: 16

約数和(自身を含む): 25097859072

約数和(自身を除く): 4990081537

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20305, 990287, 4951435, 30698897, 129727597, 153494485, 648637985, 4021555507, 20107777535]

約数ペア:

[(1, 20107777535), (5, 4021555507), (31, 648637985), (131, 153494485), (155, 129727597), (655, 30698897), (4061, 4951435), (20305, 990287)]