20102992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13807}}^1$

素因数の和:13835

約数の個数: 40

約数和(自身を含む): 47941376

約数和(自身を除く): 27838384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13807, 27614, 55228, 96649, 110456, 179491, 193298, 220912, 358982, 386596, 717964, 773192, 1256437, 1435928, 1546384, 2512874, 2871856, 5025748, 10051496, 20102992]

約数ペア:

[(1, 20102992), (2, 10051496), (4, 5025748), (7, 2871856), (8, 2512874), (13, 1546384), (14, 1435928), (16, 1256437), (26, 773192), (28, 717964), (52, 386596), (56, 358982), (91, 220912), (104, 193298), (112, 179491), (182, 110456), (208, 96649), (364, 55228), (728, 27614), (1456, 13807)]