20791125

素因数分解:

$3^2\times 5^3\times {\mathrm{18481}}^1$

素因数の和:18502

約数の個数: 24

約数和(自身を含む): 37481496

約数和(自身を除く): 16690371

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 18481, 55443, 92405, 166329, 277215, 462025, 831645, 1386075, 2310125, 4158225, 6930375, 20791125]

約数ペア:

[(1, 20791125), (3, 6930375), (5, 4158225), (9, 2310125), (15, 1386075), (25, 831645), (45, 462025), (75, 277215), (125, 166329), (225, 92405), (375, 55443), (1125, 18481)]