20163297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 33767424

約数和(自身を除く): 13604127

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 457, 573, 1337, 1371, 2101, 3199, 4011, 5027, 6303, 9597, 14707, 15081, 35189, 44121, 87287, 105567, 261861, 611009, 960157, 1833027, 2880471, 6721099, 20163297]

約数ペア:

[(1, 20163297), (3, 6721099), (7, 2880471), (11, 1833027), (21, 960157), (33, 611009), (77, 261861), (191, 105567), (231, 87287), (457, 44121), (573, 35189), (1337, 15081), (1371, 14707), (2101, 9597), (3199, 6303), (4011, 5027)]