20873816

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{8231}}^1$

素因数の和:8554

約数の個数: 16

約数和(自身を含む): 39266640

約数和(自身を除く): 18392824

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 8231, 16462, 32924, 65848, 2609227, 5218454, 10436908, 20873816]

約数ペア:

[(1, 20873816), (2, 10436908), (4, 5218454), (8, 2609227), (317, 65848), (634, 32924), (1268, 16462), (2536, 8231)]