20994665

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 5374615

約数列:

[1, 5, 41, 47, 205, 235, 1927, 2179, 9635, 10895, 89339, 102413, 446695, 512065, 4198933, 20994665]

約数ペア:

[(1, 20994665), (5, 4198933), (41, 512065), (47, 446695), (205, 102413), (235, 89339), (1927, 10895), (2179, 9635)]