20264565

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2141}}^1$

素因数の和:2780

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 12225291

約数列:

[1, 3, 5, 15, 631, 1893, 2141, 3155, 6423, 9465, 10705, 32115, 1350971, 4052913, 6754855, 20264565]

約数ペア:

[(1, 20264565), (3, 6754855), (5, 4052913), (15, 1350971), (631, 32115), (1893, 10705), (2141, 9465), (3155, 6423)]