20616952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 40146480

約数和(自身を除く): 19529528

約数列:

[1, 2, 4, 8, 43, 73, 86, 146, 172, 292, 344, 584, 821, 1642, 3139, 3284, 6278, 6568, 12556, 25112, 35303, 59933, 70606, 119866, 141212, 239732, 282424, 479464, 2577119, 5154238, 10308476, 20616952]

約数ペア:

[(1, 20616952), (2, 10308476), (4, 5154238), (8, 2577119), (43, 479464), (73, 282424), (86, 239732), (146, 141212), (172, 119866), (292, 70606), (344, 59933), (584, 35303), (821, 25112), (1642, 12556), (3139, 6568), (3284, 6278)]