20691020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147793}}^1$

素因数の和:147809

約数の個数: 24

約数和(自身を含む): 49658784

約数和(自身を除く): 28967764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147793, 295586, 591172, 738965, 1034551, 1477930, 2069102, 2955860, 4138204, 5172755, 10345510, 20691020]

約数ペア:

[(1, 20691020), (2, 10345510), (4, 5172755), (5, 4138204), (7, 2955860), (10, 2069102), (14, 1477930), (20, 1034551), (28, 738965), (35, 591172), (70, 295586), (140, 147793)]