20886217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 24534144

約数和(自身を除く): 3647927

約数列:

[1, 11, 17, 61, 187, 671, 1037, 1831, 11407, 20141, 31127, 111691, 342397, 1228601, 1898747, 20886217]

約数ペア:

[(1, 20886217), (11, 1898747), (17, 1228601), (61, 342397), (187, 111691), (671, 31127), (1037, 20141), (1831, 11407)]