20648445

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15467}}^1$

素因数の和:15564

約数の個数: 16

約数和(自身を含む): 33410880

約数和(自身を除く): 12762435

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15467, 46401, 77335, 232005, 1376563, 4129689, 6882815, 20648445]

約数ペア:

[(1, 20648445), (3, 6882815), (5, 4129689), (15, 1376563), (89, 232005), (267, 77335), (445, 46401), (1335, 15467)]