20528046

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4937}}^1$

素因数の和:4966

約数の個数: 64

約数和(自身を含む): 56885760

約数和(自身を除く): 36357714

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 693, 1386, 2079, 4158, 4937, 9874, 14811, 29622, 34559, 44433, 54307, 69118, 88866, 103677, 108614, 133299, 162921, 207354, 266598, 311031, 325842, 380149, 488763, 622062, 760298, 933093, 977526, 1140447, 1466289, 1866186, 2280894, 2932578, 3421341, 6842682, 10264023, 20528046]

約数ペア:

[(1, 20528046), (2, 10264023), (3, 6842682), (6, 3421341), (7, 2932578), (9, 2280894), (11, 1866186), (14, 1466289), (18, 1140447), (21, 977526), (22, 933093), (27, 760298), (33, 622062), (42, 488763), (54, 380149), (63, 325842), (66, 311031), (77, 266598), (99, 207354), (126, 162921), (154, 133299), (189, 108614), (198, 103677), (231, 88866), (297, 69118), (378, 54307), (462, 44433), (594, 34559), (693, 29622), (1386, 14811), (2079, 9874), (4158, 4937)]