20537925

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6679}}^1$

素因数の和:6733

約数の個数: 24

約数和(自身を含む): 34789440

約数和(自身を除く): 14251515

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6679, 20037, 33395, 100185, 166975, 273839, 500925, 821517, 1369195, 4107585, 6845975, 20537925]

約数ペア:

[(1, 20537925), (3, 6845975), (5, 4107585), (15, 1369195), (25, 821517), (41, 500925), (75, 273839), (123, 166975), (205, 100185), (615, 33395), (1025, 20037), (3075, 6679)]