20608874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 38263104

約数和(自身を除く): 17654230

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 169, 241, 253, 286, 299, 338, 482, 506, 598, 1859, 2651, 3133, 3289, 3718, 3887, 5302, 5543, 6266, 6578, 7774, 11086, 34463, 40729, 42757, 60973, 68926, 72059, 81458, 85514, 121946, 144118, 448019, 792649, 896038, 936767, 1585298, 1873534, 10304437, 20608874]

約数ペア:

[(1, 20608874), (2, 10304437), (11, 1873534), (13, 1585298), (22, 936767), (23, 896038), (26, 792649), (46, 448019), (143, 144118), (169, 121946), (241, 85514), (253, 81458), (286, 72059), (299, 68926), (338, 60973), (482, 42757), (506, 40729), (598, 34463), (1859, 11086), (2651, 7774), (3133, 6578), (3289, 6266), (3718, 5543), (3887, 5302)]