20163858820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144027563}}^1$

素因数の和:144027579

約数の個数: 24

約数和(自身を含む): 48393261504

約数和(自身を除く): 28229402684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144027563, 288055126, 576110252, 720137815, 1008192941, 1440275630, 2016385882, 2880551260, 4032771764, 5040964705, 10081929410, 20163858820]

約数ペア:

[(1, 20163858820), (2, 10081929410), (4, 5040964705), (5, 4032771764), (7, 2880551260), (10, 2016385882), (14, 1440275630), (20, 1008192941), (28, 720137815), (35, 576110252), (70, 288055126), (140, 144027563)]