20954706

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8539}}^1$

素因数の和:8953

約数の個数: 16

約数和(自身を含む): 42016800

約数和(自身を除く): 21062094

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8539, 17078, 25617, 51234, 3492451, 6984902, 10477353, 20954706]

約数ペア:

[(1, 20954706), (2, 10477353), (3, 6984902), (6, 3492451), (409, 51234), (818, 25617), (1227, 17078), (2454, 8539)]