20085938691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{158909}}^1$

素因数の和:159395

約数の個数: 32

約数和(自身を含む): 33032939520

約数和(自身を除く): 12947000829

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 463, 1389, 3241, 6019, 9723, 18057, 42133, 126399, 158909, 476727, 1112363, 2065817, 3337089, 6197451, 14460719, 43382157, 73574867, 220724601, 515024069, 956473271, 1545072207, 2869419813, 6695312897, 20085938691]

約数ペア:

[(1, 20085938691), (3, 6695312897), (7, 2869419813), (13, 1545072207), (21, 956473271), (39, 515024069), (91, 220724601), (273, 73574867), (463, 43382157), (1389, 14460719), (3241, 6197451), (6019, 3337089), (9723, 2065817), (18057, 1112363), (42133, 476727), (126399, 158909)]