20454777

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7919}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 14139783

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7919, 23757, 55433, 71271, 166299, 324679, 498897, 974037, 2272753, 2922111, 6818259, 20454777]

約数ペア:

[(1, 20454777), (3, 6818259), (7, 2922111), (9, 2272753), (21, 974037), (41, 498897), (63, 324679), (123, 166299), (287, 71271), (369, 55433), (861, 23757), (2583, 7919)]