20503056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 61107200

約数和(自身を除く): 40604144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 439, 556, 834, 878, 973, 1112, 1317, 1668, 1756, 1946, 2224, 2634, 2919, 3073, 3336, 3512, 3892, 5268, 5838, 6146, 6672, 7024, 7784, 9219, 10536, 11676, 12292, 15568, 18438, 21072, 23352, 24584, 36876, 46704, 49168, 61021, 73752, 122042, 147504, 183063, 244084, 366126, 427147, 488168, 732252, 854294, 976336, 1281441, 1464504, 1708588, 2562882, 2929008, 3417176, 5125764, 6834352, 10251528, 20503056]

約数ペア:

[(1, 20503056), (2, 10251528), (3, 6834352), (4, 5125764), (6, 3417176), (7, 2929008), (8, 2562882), (12, 1708588), (14, 1464504), (16, 1281441), (21, 976336), (24, 854294), (28, 732252), (42, 488168), (48, 427147), (56, 366126), (84, 244084), (112, 183063), (139, 147504), (168, 122042), (278, 73752), (336, 61021), (417, 49168), (439, 46704), (556, 36876), (834, 24584), (878, 23352), (973, 21072), (1112, 18438), (1317, 15568), (1668, 12292), (1756, 11676), (1946, 10536), (2224, 9219), (2634, 7784), (2919, 7024), (3073, 6672), (3336, 6146), (3512, 5838), (3892, 5268)]