20697870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689929}}^1$

素因数の和:689939

約数の個数: 16

約数和(自身を含む): 49674960

約数和(自身を除く): 28977090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689929, 1379858, 2069787, 3449645, 4139574, 6899290, 10348935, 20697870]

約数ペア:

[(1, 20697870), (2, 10348935), (3, 6899290), (5, 4139574), (6, 3449645), (10, 2069787), (15, 1379858), (30, 689929)]