20724525

素因数分解:

$3^3\times 5^2\times {\mathrm{30703}}^1$

素因数の和:30722

約数の個数: 24

約数和(自身を含む): 38072960

約数和(自身を除く): 17348435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30703, 92109, 153515, 276327, 460545, 767575, 828981, 1381635, 2302725, 4144905, 6908175, 20724525]

約数ペア:

[(1, 20724525), (3, 6908175), (5, 4144905), (9, 2302725), (15, 1381635), (25, 828981), (27, 767575), (45, 460545), (75, 276327), (135, 153515), (225, 92109), (675, 30703)]