20682820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22003}}^1$

素因数の和:22059

約数の個数: 24

約数和(自身を含む): 44360064

約数和(自身を除く): 23677244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22003, 44006, 88012, 110015, 220030, 440060, 1034141, 2068282, 4136564, 5170705, 10341410, 20682820]

約数ペア:

[(1, 20682820), (2, 10341410), (4, 5170705), (5, 4136564), (10, 2068282), (20, 1034141), (47, 440060), (94, 220030), (188, 110015), (235, 88012), (470, 44006), (940, 22003)]