20665854

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11597}}^1$

素因数の和:11622

約数の個数: 40

約数和(自身を含む): 50520888

約数和(自身を除く): 29855034

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11597, 23194, 34791, 69582, 104373, 127567, 208746, 255134, 313119, 382701, 626238, 765402, 939357, 1148103, 1878714, 2296206, 3444309, 6888618, 10332927, 20665854]

約数ペア:

[(1, 20665854), (2, 10332927), (3, 6888618), (6, 3444309), (9, 2296206), (11, 1878714), (18, 1148103), (22, 939357), (27, 765402), (33, 626238), (54, 382701), (66, 313119), (81, 255134), (99, 208746), (162, 127567), (198, 104373), (297, 69582), (594, 34791), (891, 23194), (1782, 11597)]