20907975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25343}}^1$

素因数の和:25367

約数の個数: 24

約数和(自身を含む): 37711872

約数和(自身を除く): 16803897

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25343, 76029, 126715, 278773, 380145, 633575, 836319, 1393865, 1900725, 4181595, 6969325, 20907975]

約数ペア:

[(1, 20907975), (3, 6969325), (5, 4181595), (11, 1900725), (15, 1393865), (25, 836319), (33, 633575), (55, 380145), (75, 278773), (165, 126715), (275, 76029), (825, 25343)]