13309518020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10909441}}^1$

素因数の和:10909511

約数の個数: 24

約数和(自身を含む): 28408186968

約数和(自身を除く): 15098668948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10909441, 21818882, 43637764, 54547205, 109094410, 218188820, 665475901, 1330951802, 2661903604, 3327379505, 6654759010, 13309518020]

約数ペア:

[(1, 13309518020), (2, 6654759010), (4, 3327379505), (5, 2661903604), (10, 1330951802), (20, 665475901), (61, 218188820), (122, 109094410), (244, 54547205), (305, 43637764), (610, 21818882), (1220, 10909441)]