20774290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 19215086

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2203, 4406, 4715, 9430, 11015, 22030, 50669, 90323, 101338, 180646, 253345, 451615, 506690, 903230, 2077429, 4154858, 10387145, 20774290]

約数ペア:

[(1, 20774290), (2, 10387145), (5, 4154858), (10, 2077429), (23, 903230), (41, 506690), (46, 451615), (82, 253345), (115, 180646), (205, 101338), (230, 90323), (410, 50669), (943, 22030), (1886, 11015), (2203, 9430), (4406, 4715)]