20697630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689921}}^1$

素因数の和:689931

約数の個数: 16

約数和(自身を含む): 49674384

約数和(自身を除く): 28976754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689921, 1379842, 2069763, 3449605, 4139526, 6899210, 10348815, 20697630]

約数ペア:

[(1, 20697630), (2, 10348815), (3, 6899210), (5, 4139526), (6, 3449605), (10, 2069763), (15, 1379842), (30, 689921)]