20663950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14251}}^1$

素因数の和:14292

約数の個数: 24

約数和(自身を含む): 39763080

約数和(自身を除く): 19099130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14251, 28502, 71255, 142510, 356275, 413279, 712550, 826558, 2066395, 4132790, 10331975, 20663950]

約数ペア:

[(1, 20663950), (2, 10331975), (5, 4132790), (10, 2066395), (25, 826558), (29, 712550), (50, 413279), (58, 356275), (145, 142510), (290, 71255), (725, 28502), (1450, 14251)]