20387025

素因数分解:

$3^3\times 5^2\times {\mathrm{30203}}^1$

素因数の和:30222

約数の個数: 24

約数和(自身を含む): 37452960

約数和(自身を除く): 17065935

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30203, 90609, 151015, 271827, 453045, 755075, 815481, 1359135, 2265225, 4077405, 6795675, 20387025]

約数ペア:

[(1, 20387025), (3, 6795675), (5, 4077405), (9, 2265225), (15, 1359135), (25, 815481), (27, 755075), (45, 453045), (75, 271827), (135, 151015), (225, 90609), (675, 30203)]