20869855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1049}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 26308800

約数和(自身を除く): 5438945

約数列:

[1, 5, 23, 115, 173, 865, 1049, 3979, 5245, 19895, 24127, 120635, 181477, 907385, 4173971, 20869855]

約数ペア:

[(1, 20869855), (5, 4173971), (23, 907385), (115, 181477), (173, 120635), (865, 24127), (1049, 19895), (3979, 5245)]