20156793811

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{139021}}^1$

素因数の和:139315

約数の個数: 24

約数和(自身を含む): 25674582960

約数和(自身を除く): 5517789149

約数列:

[1, 7, 11, 49, 77, 269, 539, 1883, 2959, 13181, 20713, 139021, 144991, 973147, 1529231, 6812029, 10704617, 37396649, 74932319, 261776543, 411363139, 1832435801, 2879541973, 20156793811]

約数ペア:

[(1, 20156793811), (7, 2879541973), (11, 1832435801), (49, 411363139), (77, 261776543), (269, 74932319), (539, 37396649), (1883, 10704617), (2959, 6812029), (13181, 1529231), (20713, 973147), (139021, 144991)]