20184208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 43274016

約数和(自身を除く): 23089808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1571, 1606, 3142, 3212, 6284, 6424, 12568, 12848, 17281, 25136, 34562, 69124, 114683, 138248, 229366, 276496, 458732, 917464, 1261513, 1834928, 2523026, 5046052, 10092104, 20184208]

約数ペア:

[(1, 20184208), (2, 10092104), (4, 5046052), (8, 2523026), (11, 1834928), (16, 1261513), (22, 917464), (44, 458732), (73, 276496), (88, 229366), (146, 138248), (176, 114683), (292, 69124), (584, 34562), (803, 25136), (1168, 17281), (1571, 12848), (1606, 12568), (3142, 6424), (3212, 6284)]