20360775

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{677}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 33796944

約数和(自身を除く): 13436169

約数列:

[1, 3, 5, 15, 25, 75, 401, 677, 1203, 2005, 2031, 3385, 6015, 10025, 10155, 16925, 30075, 50775, 271477, 814431, 1357385, 4072155, 6786925, 20360775]

約数ペア:

[(1, 20360775), (3, 6786925), (5, 4072155), (15, 1357385), (25, 814431), (75, 271477), (401, 50775), (677, 30075), (1203, 16925), (2005, 10155), (2031, 10025), (3385, 6015)]