20756945

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3119}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 27406080

約数和(自身を除く): 6649135

約数列:

[1, 5, 11, 55, 121, 605, 1331, 3119, 6655, 15595, 34309, 171545, 377399, 1886995, 4151389, 20756945]

約数ペア:

[(1, 20756945), (5, 4151389), (11, 1886995), (55, 377399), (121, 171545), (605, 34309), (1331, 15595), (3119, 6655)]