20791030779

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 31868928000

約数和(自身を除く): 11077897221

約数列:

[1, 3, 9, 27, 47, 139, 141, 311, 379, 417, 423, 933, 1137, 1251, 1269, 2799, 3411, 3753, 6533, 8397, 10233, 14617, 17813, 19599, 43229, 43851, 52681, 53439, 58797, 117869, 129687, 131553, 158043, 160317, 176391, 353607, 389061, 394659, 474129, 480951, 1060821, 1167183, 1422387, 2031763, 2476007, 3182463, 5539843, 6095289, 7428021, 16383791, 16619529, 18285867, 22284063, 49151373, 49858587, 54857601, 66852189, 147454119, 149575761, 442362357, 770038177, 2310114531, 6930343593, 20791030779]

約数ペア:

[(1, 20791030779), (3, 6930343593), (9, 2310114531), (27, 770038177), (47, 442362357), (139, 149575761), (141, 147454119), (311, 66852189), (379, 54857601), (417, 49858587), (423, 49151373), (933, 22284063), (1137, 18285867), (1251, 16619529), (1269, 16383791), (2799, 7428021), (3411, 6095289), (3753, 5539843), (6533, 3182463), (8397, 2476007), (10233, 2031763), (14617, 1422387), (17813, 1167183), (19599, 1060821), (43229, 480951), (43851, 474129), (52681, 394659), (53439, 389061), (58797, 353607), (117869, 176391), (129687, 160317), (131553, 158043)]