20812129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 23693824

約数和(自身を除く): 2881695

約数列:

[1, 13, 31, 43, 403, 559, 1201, 1333, 15613, 17329, 37231, 51643, 484003, 671359, 1600933, 20812129]

約数ペア:

[(1, 20812129), (13, 1600933), (31, 671359), (43, 484003), (403, 51643), (559, 37231), (1201, 17329), (1333, 15613)]