20694210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689807}}^1$

素因数の和:689817

約数の個数: 16

約数和(自身を含む): 49666176

約数和(自身を除く): 28971966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689807, 1379614, 2069421, 3449035, 4138842, 6898070, 10347105, 20694210]

約数ペア:

[(1, 20694210), (2, 10347105), (3, 6898070), (5, 4138842), (6, 3449035), (10, 2069421), (15, 1379614), (30, 689807)]