20666502

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 80

約数和(自身を含む): 49397040

約数和(自身を除く): 28730538

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 53, 54, 58, 81, 83, 87, 106, 159, 162, 166, 174, 249, 261, 318, 477, 498, 522, 747, 783, 954, 1431, 1494, 1537, 1566, 2241, 2349, 2407, 2862, 3074, 4293, 4399, 4482, 4611, 4698, 4814, 6723, 7221, 8586, 8798, 9222, 13197, 13446, 13833, 14442, 21663, 26394, 27666, 39591, 41499, 43326, 64989, 79182, 82998, 118773, 124497, 127571, 129978, 194967, 237546, 248994, 255142, 356319, 382713, 389934, 712638, 765426, 1148139, 2296278, 3444417, 6888834, 10333251, 20666502]

約数ペア:

[(1, 20666502), (2, 10333251), (3, 6888834), (6, 3444417), (9, 2296278), (18, 1148139), (27, 765426), (29, 712638), (53, 389934), (54, 382713), (58, 356319), (81, 255142), (83, 248994), (87, 237546), (106, 194967), (159, 129978), (162, 127571), (166, 124497), (174, 118773), (249, 82998), (261, 79182), (318, 64989), (477, 43326), (498, 41499), (522, 39591), (747, 27666), (783, 26394), (954, 21663), (1431, 14442), (1494, 13833), (1537, 13446), (1566, 13197), (2241, 9222), (2349, 8798), (2407, 8586), (2862, 7221), (3074, 6723), (4293, 4814), (4399, 4698), (4482, 4611)]