20315511688

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{5784599}}^1$

素因数の和:5785044

約数の個数: 16

約数和(自身を含む): 38178360000

約数和(自身を除く): 17862848312

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 5784599, 11569198, 23138396, 46276792, 2539438961, 5078877922, 10157755844, 20315511688]

約数ペア:

[(1, 20315511688), (2, 10157755844), (4, 5078877922), (8, 2539438961), (439, 46276792), (878, 23138396), (1756, 11569198), (3512, 5784599)]