20995308

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6271}}^1$

素因数の和:6315

約数の個数: 48

約数和(自身を含む): 56197120

約数和(自身を除く): 35201812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6271, 12542, 18813, 25084, 37626, 56439, 75252, 112878, 169317, 194401, 225756, 338634, 388802, 583203, 677268, 777604, 1166406, 1749609, 2332812, 3499218, 5248827, 6998436, 10497654, 20995308]

約数ペア:

[(1, 20995308), (2, 10497654), (3, 6998436), (4, 5248827), (6, 3499218), (9, 2332812), (12, 1749609), (18, 1166406), (27, 777604), (31, 677268), (36, 583203), (54, 388802), (62, 338634), (93, 225756), (108, 194401), (124, 169317), (186, 112878), (279, 75252), (372, 56439), (558, 37626), (837, 25084), (1116, 18813), (1674, 12542), (3348, 6271)]