20480607

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 40

約数和(自身を含む): 35858592

約数和(自身を除く): 15377985

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 881, 1107, 2583, 2643, 3321, 6167, 7749, 7929, 18501, 23247, 23787, 36121, 55503, 71361, 108363, 166509, 252847, 325089, 499527, 758541, 975267, 2275623, 2925801, 6826869, 20480607]

約数ペア:

[(1, 20480607), (3, 6826869), (7, 2925801), (9, 2275623), (21, 975267), (27, 758541), (41, 499527), (63, 325089), (81, 252847), (123, 166509), (189, 108363), (287, 71361), (369, 55503), (567, 36121), (861, 23787), (881, 23247), (1107, 18501), (2583, 7929), (2643, 7749), (3321, 6167)]