20707192009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1\times {\mathrm{60889}}^1$

素因数の和:63472

約数の個数: 16

約数和(自身を含む): 24921059200

約数和(自身を除く): 4213867191

約数列:

[1, 7, 19, 133, 2557, 17899, 48583, 60889, 340081, 426223, 1156891, 8098237, 155693173, 1089852211, 2958170287, 20707192009]

約数ペア:

[(1, 20707192009), (7, 2958170287), (19, 1089852211), (133, 155693173), (2557, 8098237), (17899, 1156891), (48583, 426223), (60889, 340081)]