20696548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 41065920

約数和(自身を除く): 20369372

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 83, 166, 193, 323, 332, 386, 646, 772, 1292, 1411, 1577, 2822, 3154, 3281, 3667, 5644, 6308, 6562, 7334, 13124, 14668, 16019, 26809, 32038, 53618, 62339, 64076, 107236, 124678, 249356, 272323, 304361, 544646, 608722, 1089292, 1217444, 5174137, 10348274, 20696548]

約数ペア:

[(1, 20696548), (2, 10348274), (4, 5174137), (17, 1217444), (19, 1089292), (34, 608722), (38, 544646), (68, 304361), (76, 272323), (83, 249356), (166, 124678), (193, 107236), (323, 64076), (332, 62339), (386, 53618), (646, 32038), (772, 26809), (1292, 16019), (1411, 14668), (1577, 13124), (2822, 7334), (3154, 6562), (3281, 6308), (3667, 5644)]