20118562898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62480009}}^1$

素因数の和:62480041

約数の個数: 16

約数和(自身を含む): 35988485760

約数和(自身を除く): 15869922862

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62480009, 124960018, 437360063, 874720126, 1437040207, 2874080414, 10059281449, 20118562898]

約数ペア:

[(1, 20118562898), (2, 10059281449), (7, 2874080414), (14, 1437040207), (23, 874720126), (46, 437360063), (161, 124960018), (322, 62480009)]