20455726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1471}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 12134354

約数列:

[1, 2, 17, 34, 409, 818, 1471, 2942, 6953, 13906, 25007, 50014, 601639, 1203278, 10227863, 20455726]

約数ペア:

[(1, 20455726), (2, 10227863), (17, 1203278), (34, 601639), (409, 50014), (818, 25007), (1471, 13906), (2942, 6953)]