20206851

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 11864829

約数列:

[1, 3, 7, 21, 47, 59, 141, 177, 329, 347, 413, 987, 1041, 1239, 2429, 2773, 7287, 8319, 16309, 19411, 20473, 48927, 58233, 61419, 114163, 143311, 342489, 429933, 962231, 2886693, 6735617, 20206851]

約数ペア:

[(1, 20206851), (3, 6735617), (7, 2886693), (21, 962231), (47, 429933), (59, 342489), (141, 143311), (177, 114163), (329, 61419), (347, 58233), (413, 48927), (987, 20473), (1041, 19411), (1239, 16309), (2429, 8319), (2773, 7287)]