20733255

素因数分解:

$3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1069}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 36054720

約数和(自身を除く): 15321465

約数列:

[1, 3, 5, 9, 15, 45, 431, 1069, 1293, 2155, 3207, 3879, 5345, 6465, 9621, 16035, 19395, 48105, 460739, 1382217, 2303695, 4146651, 6911085, 20733255]

約数ペア:

[(1, 20733255), (3, 6911085), (5, 4146651), (9, 2303695), (15, 1382217), (45, 460739), (431, 48105), (1069, 19395), (1293, 16035), (2155, 9621), (3207, 6465), (3879, 5345)]