20501261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 2999539

約数列:

[1, 11, 31, 59, 341, 649, 1019, 1829, 11209, 20119, 31589, 60121, 347479, 661331, 1863751, 20501261]

約数ペア:

[(1, 20501261), (11, 1863751), (31, 661331), (59, 347479), (341, 60121), (649, 31589), (1019, 20119), (1829, 11209)]