20161989841

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{221203}}^1$

素因数の和:221688

約数の個数: 16

約数和(自身を含む): 23890032000

約数和(自身を除く): 3728042159

約数列:

[1, 7, 29, 203, 449, 3143, 13021, 91147, 221203, 1548421, 6414887, 44904209, 99320147, 695241029, 2880284263, 20161989841]

約数ペア:

[(1, 20161989841), (7, 2880284263), (29, 695241029), (203, 99320147), (449, 44904209), (3143, 6414887), (13021, 1548421), (91147, 221203)]