20828892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10781}}^1$

素因数の和:10818

約数の個数: 48

約数和(自身を含む): 57964032

約数和(自身を除く): 37135140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10781, 21562, 32343, 43124, 64686, 75467, 129372, 150934, 226401, 247963, 301868, 452802, 495926, 743889, 905604, 991852, 1487778, 1735741, 2975556, 3471482, 5207223, 6942964, 10414446, 20828892]

約数ペア:

[(1, 20828892), (2, 10414446), (3, 6942964), (4, 5207223), (6, 3471482), (7, 2975556), (12, 1735741), (14, 1487778), (21, 991852), (23, 905604), (28, 743889), (42, 495926), (46, 452802), (69, 301868), (84, 247963), (92, 226401), (138, 150934), (161, 129372), (276, 75467), (322, 64686), (483, 43124), (644, 32343), (966, 21562), (1932, 10781)]