20521128

素因数分解:

$2^3\times 3^1\times {\mathrm{457}}^1\times {\mathrm{1871}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 51442560

約数和(自身を除く): 30921432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 457, 914, 1371, 1828, 1871, 2742, 3656, 3742, 5484, 5613, 7484, 10968, 11226, 14968, 22452, 44904, 855047, 1710094, 2565141, 3420188, 5130282, 6840376, 10260564, 20521128]

約数ペア:

[(1, 20521128), (2, 10260564), (3, 6840376), (4, 5130282), (6, 3420188), (8, 2565141), (12, 1710094), (24, 855047), (457, 44904), (914, 22452), (1371, 14968), (1828, 11226), (1871, 10968), (2742, 7484), (3656, 5613), (3742, 5484)]