20509969202

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{5441}}^1\times {\mathrm{18661}}^1$

素因数の和:24205

約数の個数: 16

約数和(自身を含む): 31076932824

約数和(自身を除く): 10566963622

約数列:

[1, 2, 101, 202, 5441, 10882, 18661, 37322, 549541, 1099082, 1884761, 3769522, 101534501, 203069002, 10254984601, 20509969202]

約数ペア:

[(1, 20509969202), (2, 10254984601), (101, 203069002), (202, 101534501), (5441, 3769522), (10882, 1884761), (18661, 1099082), (37322, 549541)]