20661.0000000

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{2843}}^1$

素因数の和:2865

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 2406618

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 2843, 5686, 8529, 17058, 25587, 31273, 51174, 62546, 76761, 93819, 153522, 187638, 281457, 562914, 844371, 1688742]

約数ペア:

[(1, 1688742), (2, 844371), (3, 562914), (6, 281457), (9, 187638), (11, 153522), (18, 93819), (22, 76761), (27, 62546), (33, 51174), (54, 31273), (66, 25587), (99, 17058), (198, 8529), (297, 5686), (594, 2843)]