20153457640

素因数分解:

$2^3\times 5^1\times {\mathrm{503836441}}^1$

素因数の和:503836452

約数の個数: 16

約数和(自身を含む): 45345279780

約数和(自身を除く): 25191822140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503836441, 1007672882, 2015345764, 2519182205, 4030691528, 5038364410, 10076728820, 20153457640]

約数ペア:

[(1, 20153457640), (2, 10076728820), (4, 5038364410), (5, 4030691528), (8, 2519182205), (10, 2015345764), (20, 1007672882), (40, 503836441)]