20160684020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2513801}}^1$

素因数の和:2514211

約数の個数: 24

約数和(自身を含む): 42443032968

約数和(自身を除く): 22282348948

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 2513801, 5027602, 10055204, 12569005, 25138010, 50276020, 1008034201, 2016068402, 4032136804, 5040171005, 10080342010, 20160684020]

約数ペア:

[(1, 20160684020), (2, 10080342010), (4, 5040171005), (5, 4032136804), (10, 2016068402), (20, 1008034201), (401, 50276020), (802, 25138010), (1604, 12569005), (2005, 10055204), (4010, 5027602), (8020, 2513801)]