20124075

素因数分解:

$3^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{1499}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 33480000

約数和(自身を除く): 13355925

約数列:

[1, 3, 5, 15, 25, 75, 179, 537, 895, 1499, 2685, 4475, 4497, 7495, 13425, 22485, 37475, 112425, 268321, 804963, 1341605, 4024815, 6708025, 20124075]

約数ペア:

[(1, 20124075), (3, 6708025), (5, 4024815), (15, 1341605), (25, 804963), (75, 268321), (179, 112425), (537, 37475), (895, 22485), (1499, 13425), (2685, 7495), (4475, 4497)]