20971324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 40155696

約数和(自身を除く): 19184372

約数列:

[1, 2, 4, 11, 22, 44, 541, 881, 1082, 1762, 2164, 3524, 5951, 9691, 11902, 19382, 23804, 38764, 476621, 953242, 1906484, 5242831, 10485662, 20971324]

約数ペア:

[(1, 20971324), (2, 10485662), (4, 5242831), (11, 1906484), (22, 953242), (44, 476621), (541, 38764), (881, 23804), (1082, 19382), (1762, 11902), (2164, 9691), (3524, 5951)]