20983153

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 22907520

約数和(自身を除く): 1924367

約数列:

[1, 23, 29, 163, 193, 667, 3749, 4439, 4727, 5597, 31459, 108721, 128731, 723557, 912311, 20983153]

約数ペア:

[(1, 20983153), (23, 912311), (29, 723557), (163, 128731), (193, 108721), (667, 31459), (3749, 5597), (4439, 4727)]