20819474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2017}}^1$

素因数の和:2429

約数の個数: 16

約数和(自身を含む): 33732888

約数和(自身を除く): 12913414

約数列:

[1, 2, 13, 26, 397, 794, 2017, 4034, 5161, 10322, 26221, 52442, 800749, 1601498, 10409737, 20819474]

約数ペア:

[(1, 20819474), (2, 10409737), (13, 1601498), (26, 800749), (397, 52442), (794, 26221), (2017, 10322), (4034, 5161)]