20751456

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 60939648

約数和(自身を除く): 40188192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 43, 44, 48, 66, 86, 88, 96, 129, 132, 172, 176, 258, 264, 344, 352, 457, 473, 516, 528, 688, 914, 946, 1032, 1056, 1371, 1376, 1419, 1828, 1892, 2064, 2742, 2838, 3656, 3784, 4128, 5027, 5484, 5676, 7312, 7568, 10054, 10968, 11352, 14624, 15081, 15136, 19651, 20108, 21936, 22704, 30162, 39302, 40216, 43872, 45408, 58953, 60324, 78604, 80432, 117906, 120648, 157208, 160864, 216161, 235812, 241296, 314416, 432322, 471624, 482592, 628832, 648483, 864644, 943248, 1296966, 1729288, 1886496, 2593932, 3458576, 5187864, 6917152, 10375728, 20751456]

約数ペア:

[(1, 20751456), (2, 10375728), (3, 6917152), (4, 5187864), (6, 3458576), (8, 2593932), (11, 1886496), (12, 1729288), (16, 1296966), (22, 943248), (24, 864644), (32, 648483), (33, 628832), (43, 482592), (44, 471624), (48, 432322), (66, 314416), (86, 241296), (88, 235812), (96, 216161), (129, 160864), (132, 157208), (172, 120648), (176, 117906), (258, 80432), (264, 78604), (344, 60324), (352, 58953), (457, 45408), (473, 43872), (516, 40216), (528, 39302), (688, 30162), (914, 22704), (946, 21936), (1032, 20108), (1056, 19651), (1371, 15136), (1376, 15081), (1419, 14624), (1828, 11352), (1892, 10968), (2064, 10054), (2742, 7568), (2838, 7312), (3656, 5676), (3784, 5484), (4128, 5027)]