20879265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126541}}^1$

素因数の和:126560

約数の個数: 16

約数和(自身を含む): 36444096

約数和(自身を除く): 15564831

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126541, 379623, 632705, 1391951, 1898115, 4175853, 6959755, 20879265]

約数ペア:

[(1, 20879265), (3, 6959755), (5, 4175853), (11, 1898115), (15, 1391951), (33, 632705), (55, 379623), (165, 126541)]