20249559

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 32162832

約数和(自身を除く): 11913273

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1493, 1507, 4479, 4521, 13437, 13563, 16423, 49269, 147807, 204541, 613623, 1840869, 2249951, 6749853, 20249559]

約数ペア:

[(1, 20249559), (3, 6749853), (9, 2249951), (11, 1840869), (33, 613623), (99, 204541), (137, 147807), (411, 49269), (1233, 16423), (1493, 13563), (1507, 13437), (4479, 4521)]