20488978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1901}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 32661144

約数和(自身を除く): 12172166

約数列:

[1, 2, 17, 34, 317, 634, 1901, 3802, 5389, 10778, 32317, 64634, 602617, 1205234, 10244489, 20488978]

約数ペア:

[(1, 20488978), (2, 10244489), (17, 1205234), (34, 602617), (317, 64634), (634, 32317), (1901, 10778), (3802, 5389)]