20612508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 38222436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 227, 276, 282, 322, 329, 454, 483, 564, 644, 658, 681, 908, 966, 987, 1081, 1316, 1362, 1589, 1932, 1974, 2162, 2724, 3178, 3243, 3948, 4324, 4767, 5221, 6356, 6486, 7567, 9534, 10442, 10669, 12972, 15134, 15663, 19068, 20884, 21338, 22701, 30268, 31326, 32007, 36547, 42676, 45402, 62652, 64014, 73094, 74683, 90804, 109641, 128028, 146188, 149366, 219282, 224049, 245387, 298732, 438564, 448098, 490774, 736161, 896196, 981548, 1472322, 1717709, 2944644, 3435418, 5153127, 6870836, 10306254, 20612508]

約数ペア:

[(1, 20612508), (2, 10306254), (3, 6870836), (4, 5153127), (6, 3435418), (7, 2944644), (12, 1717709), (14, 1472322), (21, 981548), (23, 896196), (28, 736161), (42, 490774), (46, 448098), (47, 438564), (69, 298732), (84, 245387), (92, 224049), (94, 219282), (138, 149366), (141, 146188), (161, 128028), (188, 109641), (227, 90804), (276, 74683), (282, 73094), (322, 64014), (329, 62652), (454, 45402), (483, 42676), (564, 36547), (644, 32007), (658, 31326), (681, 30268), (908, 22701), (966, 21338), (987, 20884), (1081, 19068), (1316, 15663), (1362, 15134), (1589, 12972), (1932, 10669), (1974, 10442), (2162, 9534), (2724, 7567), (3178, 6486), (3243, 6356), (3948, 5221), (4324, 4767)]