20940556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57529}}^1$

素因数の和:57553

約数の個数: 24

約数和(自身を含む): 45103520

約数和(自身を除く): 24162964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57529, 115058, 230116, 402703, 747877, 805406, 1495754, 1610812, 2991508, 5235139, 10470278, 20940556]

約数ペア:

[(1, 20940556), (2, 10470278), (4, 5235139), (7, 2991508), (13, 1610812), (14, 1495754), (26, 805406), (28, 747877), (52, 402703), (91, 230116), (182, 115058), (364, 57529)]