20260856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 48936960

約数和(自身を除く): 28676104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1061, 1364, 1736, 2122, 2387, 2728, 4244, 4774, 7427, 8488, 9548, 11671, 14854, 19096, 23342, 29708, 32891, 46684, 59416, 65782, 81697, 93368, 131564, 163394, 230237, 263128, 326788, 361801, 460474, 653576, 723602, 920948, 1447204, 1841896, 2532607, 2894408, 5065214, 10130428, 20260856]

約数ペア:

[(1, 20260856), (2, 10130428), (4, 5065214), (7, 2894408), (8, 2532607), (11, 1841896), (14, 1447204), (22, 920948), (28, 723602), (31, 653576), (44, 460474), (56, 361801), (62, 326788), (77, 263128), (88, 230237), (124, 163394), (154, 131564), (217, 93368), (248, 81697), (308, 65782), (341, 59416), (434, 46684), (616, 32891), (682, 29708), (868, 23342), (1061, 19096), (1364, 14854), (1736, 11671), (2122, 9548), (2387, 8488), (2728, 7427), (4244, 4774)]