20250

素因数分解:

$2^1\times 3^4\times 5^3$

素因数の和:29

約数の個数: 40

約数和(自身を含む): 56628

約数和(自身を除く): 36378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 675, 750, 810, 1125, 1350, 2025, 2250, 3375, 4050, 6750, 10125, 20250]

約数ペア:

[(1, 20250), (2, 10125), (3, 6750), (5, 4050), (6, 3375), (9, 2250), (10, 2025), (15, 1350), (18, 1125), (25, 810), (27, 750), (30, 675), (45, 450), (50, 405), (54, 375), (75, 270), (81, 250), (90, 225), (125, 162), (135, 150)]