20857564233

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{121291}}^1$

素因数の和:121507

約数の個数: 40

約数和(自身を含む): 34166500896

約数和(自身を除く): 13308936663

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 193, 297, 579, 891, 1737, 2123, 5211, 6369, 15633, 19107, 57321, 121291, 171963, 363873, 1091619, 1334201, 3274857, 4002603, 9824571, 12007809, 23409163, 36023427, 70227489, 108070281, 210682467, 257500793, 632047401, 772502379, 1896142203, 2317507137, 6952521411, 20857564233]

約数ペア:

[(1, 20857564233), (3, 6952521411), (9, 2317507137), (11, 1896142203), (27, 772502379), (33, 632047401), (81, 257500793), (99, 210682467), (193, 108070281), (297, 70227489), (579, 36023427), (891, 23409163), (1737, 12007809), (2123, 9824571), (5211, 4002603), (6369, 3274857), (15633, 1334201), (19107, 1091619), (57321, 363873), (121291, 171963)]