20161163905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1385171}}^1$

素因数の和:1385288

約数の個数: 16

約数和(自身を含む): 25132560768

約数和(自身を除く): 4971396863

約数列:

[1, 5, 41, 71, 205, 355, 2911, 14555, 1385171, 6925855, 56792011, 98347141, 283960055, 491735705, 4032232781, 20161163905]

約数ペア:

[(1, 20161163905), (5, 4032232781), (41, 491735705), (71, 283960055), (205, 98347141), (355, 56792011), (2911, 6925855), (14555, 1385171)]