20572810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3889}}^1$

素因数の和:3942

約数の個数: 24

約数和(自身を含む): 38721060

約数和(自身を除く): 18148250

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3889, 5290, 7778, 19445, 38890, 89447, 178894, 447235, 894470, 2057281, 4114562, 10286405, 20572810]

約数ペア:

[(1, 20572810), (2, 10286405), (5, 4114562), (10, 2057281), (23, 894470), (46, 447235), (115, 178894), (230, 89447), (529, 38890), (1058, 19445), (2645, 7778), (3889, 5290)]