20308892

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 36338736

約数和(自身を除く): 16029844

約数列:

[1, 2, 4, 73, 146, 157, 292, 314, 443, 628, 886, 1772, 11461, 22922, 32339, 45844, 64678, 69551, 129356, 139102, 278204, 5077223, 10154446, 20308892]

約数ペア:

[(1, 20308892), (2, 10154446), (4, 5077223), (73, 278204), (146, 139102), (157, 129356), (292, 69551), (314, 64678), (443, 45844), (628, 32339), (886, 22922), (1772, 11461)]