20207025

素因数分解:

$3^2\times 5^2\times {\mathrm{89809}}^1$

素因数の和:89825

約数の個数: 18

約数和(自身を含む): 36193430

約数和(自身を除く): 15986405

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89809, 269427, 449045, 808281, 1347135, 2245225, 4041405, 6735675, 20207025]

約数ペア:

[(1, 20207025), (3, 6735675), (5, 4041405), (9, 2245225), (15, 1347135), (25, 808281), (45, 449045), (75, 269427), (225, 89809)]