20138784964

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{30887707}}^1$

素因数の和:30887874

約数の個数: 12

約数和(自身を含む): 35459088784

約数和(自身を除く): 15320303820

約数列:

[1, 2, 4, 163, 326, 652, 30887707, 61775414, 123550828, 5034696241, 10069392482, 20138784964]

約数ペア:

[(1, 20138784964), (2, 10069392482), (4, 5034696241), (163, 123550828), (326, 61775414), (652, 30887707)]