20916510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697217}}^1$

素因数の和:697227

約数の個数: 16

約数和(自身を含む): 50199696

約数和(自身を除く): 29283186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697217, 1394434, 2091651, 3486085, 4183302, 6972170, 10458255, 20916510]

約数ペア:

[(1, 20916510), (2, 10458255), (3, 6972170), (5, 4183302), (6, 3486085), (10, 2091651), (15, 1394434), (30, 697217)]