20057909

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 22695552

約数和(自身を除く): 2637643

約数列:

[1, 17, 23, 43, 391, 731, 989, 1193, 16813, 20281, 27439, 51299, 466463, 872083, 1179877, 20057909]

約数ペア:

[(1, 20057909), (17, 1179877), (23, 872083), (43, 466463), (391, 51299), (731, 27439), (989, 20281), (1193, 16813)]