20163697855

素因数分解:

$5^1\times 7^1\times {\mathrm{4231}}^1\times {\mathrm{136163}}^1$

素因数の和:140406

約数の個数: 16

約数和(自身を含む): 27659810304

約数和(自身を除く): 7496112449

約数列:

[1, 5, 7, 35, 4231, 21155, 29617, 136163, 148085, 680815, 953141, 4765705, 576105653, 2880528265, 4032739571, 20163697855]

約数ペア:

[(1, 20163697855), (5, 4032739571), (7, 2880528265), (35, 576105653), (4231, 4765705), (21155, 953141), (29617, 680815), (136163, 148085)]