20849715

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7853}}^1$

素因数の和:7923

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 15907005

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7853, 23559, 39265, 70677, 117795, 353385, 463327, 1389981, 2316635, 4169943, 6949905, 20849715]

約数ペア:

[(1, 20849715), (3, 6949905), (5, 4169943), (9, 2316635), (15, 1389981), (45, 463327), (59, 353385), (177, 117795), (295, 70677), (531, 39265), (885, 23559), (2655, 7853)]