20160920180

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{541669}}^1$

素因数の和:543539

約数の個数: 24

約数和(自身を含む): 42360760680

約数和(自身を除く): 22199840500

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 7444, 9305, 18610, 37220, 541669, 1083338, 2166676, 2708345, 5416690, 10833380, 1008046009, 2016092018, 4032184036, 5040230045, 10080460090, 20160920180]

約数ペア:

[(1, 20160920180), (2, 10080460090), (4, 5040230045), (5, 4032184036), (10, 2016092018), (20, 1008046009), (1861, 10833380), (3722, 5416690), (7444, 2708345), (9305, 2166676), (18610, 1083338), (37220, 541669)]