20125658518

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27123529}}^1$

素因数の和:27123591

約数の個数: 16

約数和(自身を含む): 35152094880

約数和(自身を除く): 15026436362

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27123529, 54247058, 189864703, 379729406, 1437547037, 2875094074, 10062829259, 20125658518]

約数ペア:

[(1, 20125658518), (2, 10062829259), (7, 2875094074), (14, 1437547037), (53, 379729406), (106, 189864703), (371, 54247058), (742, 27123529)]