20550618

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 51580800

約数和(自身を除く): 31030182

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 174, 198, 261, 297, 319, 522, 594, 638, 783, 957, 1193, 1566, 1914, 2386, 2871, 3579, 5742, 7158, 8613, 10737, 13123, 17226, 21474, 26246, 32211, 34597, 39369, 64422, 69194, 78738, 103791, 118107, 207582, 236214, 311373, 354321, 380567, 622746, 708642, 761134, 934119, 1141701, 1868238, 2283402, 3425103, 6850206, 10275309, 20550618]

約数ペア:

[(1, 20550618), (2, 10275309), (3, 6850206), (6, 3425103), (9, 2283402), (11, 1868238), (18, 1141701), (22, 934119), (27, 761134), (29, 708642), (33, 622746), (54, 380567), (58, 354321), (66, 311373), (87, 236214), (99, 207582), (174, 118107), (198, 103791), (261, 78738), (297, 69194), (319, 64422), (522, 39369), (594, 34597), (638, 32211), (783, 26246), (957, 21474), (1193, 17226), (1566, 13123), (1914, 10737), (2386, 8613), (2871, 7158), (3579, 5742)]