20007870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666929}}^1$

素因数の和:666939

約数の個数: 16

約数和(自身を含む): 48018960

約数和(自身を除く): 28011090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666929, 1333858, 2000787, 3334645, 4001574, 6669290, 10003935, 20007870]

約数ペア:

[(1, 20007870), (2, 10003935), (3, 6669290), (5, 4001574), (6, 3334645), (10, 2000787), (15, 1333858), (30, 666929)]