66546020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21193}}^1$

素因数の和:21359

約数の個数: 24

約数和(自身を含む): 140643384

約数和(自身を除く): 74097364

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21193, 42386, 84772, 105965, 211930, 423860, 3327301, 6654602, 13309204, 16636505, 33273010, 66546020]

約数ペア:

[(1, 66546020), (2, 33273010), (4, 16636505), (5, 13309204), (10, 6654602), (20, 3327301), (157, 423860), (314, 211930), (628, 105965), (785, 84772), (1570, 42386), (3140, 21193)]