20409810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680327}}^1$

素因数の和:680337

約数の個数: 16

約数和(自身を含む): 48983616

約数和(自身を除く): 28573806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680327, 1360654, 2040981, 3401635, 4081962, 6803270, 10204905, 20409810]

約数ペア:

[(1, 20409810), (2, 10204905), (3, 6803270), (5, 4081962), (6, 3401635), (10, 2040981), (15, 1360654), (30, 680327)]