20161156821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4574803}}^1$

素因数の和:4574932

約数の個数: 16

約数和(自身を含む): 29205548736

約数和(自身を除く): 9044391915

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4574803, 13724409, 59472439, 178417317, 516952739, 1550858217, 6720385607, 20161156821]

約数ペア:

[(1, 20161156821), (3, 6720385607), (13, 1550858217), (39, 516952739), (113, 178417317), (339, 59472439), (1469, 13724409), (4407, 4574803)]