20936710

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5119}}^1$

素因数の和:5535

約数の個数: 16

約数和(自身を含む): 37785600

約数和(自身を除く): 16848890

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 5119, 10238, 25595, 51190, 2093671, 4187342, 10468355, 20936710]

約数ペア:

[(1, 20936710), (2, 10468355), (5, 4187342), (10, 2093671), (409, 51190), (818, 25595), (2045, 10238), (4090, 5119)]