20888959819

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{4007}}^1\times {\mathrm{57287}}^1$

素因数の和:61314

約数の個数: 16

約数和(自身を含む): 25716354048

約数和(自身を除く): 4827394229

約数列:

[1, 7, 13, 91, 4007, 28049, 52091, 57287, 364637, 401009, 744731, 5213117, 229549009, 1606843063, 2984137117, 20888959819]

約数ペア:

[(1, 20888959819), (7, 2984137117), (13, 1606843063), (91, 229549009), (4007, 5213117), (28049, 744731), (52091, 401009), (57287, 364637)]