20854422

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 50703840

約数和(自身を除く): 29849418

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 81, 87, 138, 162, 174, 193, 207, 261, 386, 414, 522, 579, 621, 667, 783, 1158, 1242, 1334, 1566, 1737, 1863, 2001, 2349, 3474, 3726, 4002, 4439, 4698, 5211, 5597, 6003, 8878, 10422, 11194, 12006, 13317, 15633, 16791, 18009, 26634, 31266, 33582, 36018, 39951, 50373, 54027, 79902, 100746, 108054, 119853, 128731, 151119, 239706, 257462, 302238, 359559, 386193, 453357, 719118, 772386, 906714, 1158579, 2317158, 3475737, 6951474, 10427211, 20854422]

約数ペア:

[(1, 20854422), (2, 10427211), (3, 6951474), (6, 3475737), (9, 2317158), (18, 1158579), (23, 906714), (27, 772386), (29, 719118), (46, 453357), (54, 386193), (58, 359559), (69, 302238), (81, 257462), (87, 239706), (138, 151119), (162, 128731), (174, 119853), (193, 108054), (207, 100746), (261, 79902), (386, 54027), (414, 50373), (522, 39951), (579, 36018), (621, 33582), (667, 31266), (783, 26634), (1158, 18009), (1242, 16791), (1334, 15633), (1566, 13317), (1737, 12006), (1863, 11194), (2001, 10422), (2349, 8878), (3474, 6003), (3726, 5597), (4002, 5211), (4439, 4698)]