20926516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13877}}^1$

素因数の和:13923

約数の個数: 24

約数和(自身を含む): 40801320

約数和(自身を除く): 19874804

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13877, 27754, 55508, 180401, 360802, 402433, 721604, 804866, 1609732, 5231629, 10463258, 20926516]

約数ペア:

[(1, 20926516), (2, 10463258), (4, 5231629), (13, 1609732), (26, 804866), (29, 721604), (52, 402433), (58, 360802), (116, 180401), (377, 55508), (754, 27754), (1508, 13877)]