20036890

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4523}}^1$

素因数の和:4973

約数の個数: 16

約数和(自身を含む): 36155808

約数和(自身を除く): 16118918

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4523, 9046, 22615, 45230, 2003689, 4007378, 10018445, 20036890]

約数ペア:

[(1, 20036890), (2, 10018445), (5, 4007378), (10, 2003689), (443, 45230), (886, 22615), (2215, 9046), (4430, 4523)]