20980752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33623}}^1$

素因数の和:33647

約数の個数: 40

約数和(自身を含む): 58371264

約数和(自身を除く): 37390512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33623, 67246, 100869, 134492, 201738, 268984, 403476, 437099, 537968, 806952, 874198, 1311297, 1613904, 1748396, 2622594, 3496792, 5245188, 6993584, 10490376, 20980752]

約数ペア:

[(1, 20980752), (2, 10490376), (3, 6993584), (4, 5245188), (6, 3496792), (8, 2622594), (12, 1748396), (13, 1613904), (16, 1311297), (24, 874198), (26, 806952), (39, 537968), (48, 437099), (52, 403476), (78, 268984), (104, 201738), (156, 134492), (208, 100869), (312, 67246), (624, 33623)]