20964375

素因数分解:

$3^2\times 5^4\times {\mathrm{3727}}^1$

素因数の和:3753

約数の個数: 30

約数和(自身を含む): 37850384

約数和(自身を除く): 16886009

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3727, 5625, 11181, 18635, 33543, 55905, 93175, 167715, 279525, 465875, 838575, 1397625, 2329375, 4192875, 6988125, 20964375]

約数ペア:

[(1, 20964375), (3, 6988125), (5, 4192875), (9, 2329375), (15, 1397625), (25, 838575), (45, 465875), (75, 279525), (125, 167715), (225, 93175), (375, 55905), (625, 33543), (1125, 18635), (1875, 11181), (3727, 5625)]