20161137620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77542837}}^1$

素因数の和:77542859

約数の個数: 24

約数和(自身を含む): 45595188744

約数和(自身を除く): 25434051124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77542837, 155085674, 310171348, 387714185, 775428370, 1008056881, 1550856740, 2016113762, 4032227524, 5040284405, 10080568810, 20161137620]

約数ペア:

[(1, 20161137620), (2, 10080568810), (4, 5040284405), (5, 4032227524), (10, 2016113762), (13, 1550856740), (20, 1008056881), (26, 775428370), (52, 387714185), (65, 310171348), (130, 155085674), (260, 77542837)]