20944686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12163}}^1$

素因数の和:12216

約数の個数: 32

約数和(自身を含む): 49045248

約数和(自身を除く): 28100562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12163, 24326, 36489, 72978, 85141, 170282, 255423, 498683, 510846, 997366, 1496049, 2992098, 3490781, 6981562, 10472343, 20944686]

約数ペア:

[(1, 20944686), (2, 10472343), (3, 6981562), (6, 3490781), (7, 2992098), (14, 1496049), (21, 997366), (41, 510846), (42, 498683), (82, 255423), (123, 170282), (246, 85141), (287, 72978), (574, 36489), (861, 24326), (1722, 12163)]