16615420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11701}}^1$

素因数の和:11781

約数の個数: 24

約数和(自身を含む): 35386848

約数和(自身を除く): 18771428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11701, 23402, 46804, 58505, 117010, 234020, 830771, 1661542, 3323084, 4153855, 8307710, 16615420]

約数ペア:

[(1, 16615420), (2, 8307710), (4, 4153855), (5, 3323084), (10, 1661542), (20, 830771), (71, 234020), (142, 117010), (284, 58505), (355, 46804), (710, 23402), (1420, 11701)]