20541444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 62920704

約数和(自身を除く): 42379260

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 47, 66, 77, 84, 86, 94, 121, 129, 132, 141, 154, 172, 188, 231, 242, 258, 282, 301, 308, 329, 363, 462, 473, 484, 516, 517, 564, 602, 658, 726, 847, 903, 924, 946, 987, 1034, 1204, 1316, 1419, 1452, 1551, 1694, 1806, 1892, 1974, 2021, 2068, 2541, 2838, 3102, 3311, 3388, 3612, 3619, 3948, 4042, 5082, 5203, 5676, 5687, 6063, 6204, 6622, 7238, 8084, 9933, 10164, 10406, 10857, 11374, 12126, 13244, 14147, 14476, 15609, 17061, 19866, 20812, 21714, 22231, 22748, 24252, 28294, 31218, 34122, 36421, 39732, 39809, 42441, 43428, 44462, 56588, 62436, 66693, 68244, 72842, 79618, 84882, 88924, 109263, 119427, 133386, 145684, 155617, 159236, 169764, 218526, 238854, 244541, 266772, 311234, 437052, 466851, 477708, 489082, 622468, 733623, 933702, 978164, 1467246, 1711787, 1867404, 2934492, 3423574, 5135361, 6847148, 10270722, 20541444]

約数ペア:

[(1, 20541444), (2, 10270722), (3, 6847148), (4, 5135361), (6, 3423574), (7, 2934492), (11, 1867404), (12, 1711787), (14, 1467246), (21, 978164), (22, 933702), (28, 733623), (33, 622468), (42, 489082), (43, 477708), (44, 466851), (47, 437052), (66, 311234), (77, 266772), (84, 244541), (86, 238854), (94, 218526), (121, 169764), (129, 159236), (132, 155617), (141, 145684), (154, 133386), (172, 119427), (188, 109263), (231, 88924), (242, 84882), (258, 79618), (282, 72842), (301, 68244), (308, 66693), (329, 62436), (363, 56588), (462, 44462), (473, 43428), (484, 42441), (516, 39809), (517, 39732), (564, 36421), (602, 34122), (658, 31218), (726, 28294), (847, 24252), (903, 22748), (924, 22231), (946, 21714), (987, 20812), (1034, 19866), (1204, 17061), (1316, 15609), (1419, 14476), (1452, 14147), (1551, 13244), (1694, 12126), (1806, 11374), (1892, 10857), (1974, 10406), (2021, 10164), (2068, 9933), (2541, 8084), (2838, 7238), (3102, 6622), (3311, 6204), (3388, 6063), (3612, 5687), (3619, 5676), (3948, 5203), (4042, 5082)]