20462915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 27291600

約数和(自身を除く): 6828685

約数列:

[1, 5, 11, 55, 121, 149, 227, 605, 745, 1135, 1639, 2497, 8195, 12485, 18029, 27467, 33823, 90145, 137335, 169115, 372053, 1860265, 4092583, 20462915]

約数ペア:

[(1, 20462915), (5, 4092583), (11, 1860265), (55, 372053), (121, 169115), (149, 137335), (227, 90145), (605, 33823), (745, 27467), (1135, 18029), (1639, 12485), (2497, 8195)]