20898889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2688311

約数列:

[1, 11, 41, 149, 311, 451, 1639, 3421, 6109, 12751, 46339, 67199, 140261, 509729, 1899899, 20898889]

約数ペア:

[(1, 20898889), (11, 1899899), (41, 509729), (149, 140261), (311, 67199), (451, 46339), (1639, 12751), (3421, 6109)]