16798820

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1471}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 35363328

約数和(自身を除く): 18564508

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1471, 2284, 2855, 2942, 5710, 5884, 7355, 11420, 14710, 29420, 839941, 1679882, 3359764, 4199705, 8399410, 16798820]

約数ペア:

[(1, 16798820), (2, 8399410), (4, 4199705), (5, 3359764), (10, 1679882), (20, 839941), (571, 29420), (1142, 14710), (1471, 11420), (2284, 7355), (2855, 5884), (2942, 5710)]