20155145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 25295760

約数和(自身を除く): 5140615

約数列:

[1, 5, 29, 97, 145, 485, 1433, 2813, 7165, 14065, 41557, 139001, 207785, 695005, 4031029, 20155145]

約数ペア:

[(1, 20155145), (5, 4031029), (29, 695005), (97, 207785), (145, 139001), (485, 41557), (1433, 14065), (2813, 7165)]