20436410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18749}}^1$

素因数の和:18865

約数の個数: 16

約数和(自身を含む): 37125000

約数和(自身を除く): 16688590

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18749, 37498, 93745, 187490, 2043641, 4087282, 10218205, 20436410]

約数ペア:

[(1, 20436410), (2, 10218205), (5, 4087282), (10, 2043641), (109, 187490), (218, 93745), (545, 37498), (1090, 18749)]