20871145009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2178389}}^1$

素因数の和:2178480

約数の個数: 16

約数和(自身を含む): 24885927360

約数和(自身を除く): 4014782351

約数列:

[1, 11, 13, 67, 143, 737, 871, 9581, 2178389, 23962279, 28319057, 145952063, 311509627, 1605472693, 1897376819, 20871145009]

約数ペア:

[(1, 20871145009), (11, 1897376819), (13, 1605472693), (67, 311509627), (143, 145952063), (737, 28319057), (871, 23962279), (9581, 2178389)]