20259708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 36510852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 71, 79, 84, 86, 129, 142, 158, 172, 213, 237, 258, 284, 301, 316, 426, 474, 497, 516, 553, 602, 852, 903, 948, 994, 1106, 1204, 1491, 1659, 1806, 1988, 2212, 2982, 3053, 3318, 3397, 3612, 5609, 5964, 6106, 6636, 6794, 9159, 10191, 11218, 12212, 13588, 16827, 18318, 20382, 21371, 22436, 23779, 33654, 36636, 39263, 40764, 42742, 47558, 64113, 67308, 71337, 78526, 85484, 95116, 117789, 128226, 142674, 157052, 235578, 241187, 256452, 285348, 471156, 482374, 723561, 964748, 1447122, 1688309, 2894244, 3376618, 5064927, 6753236, 10129854, 20259708]

約数ペア:

[(1, 20259708), (2, 10129854), (3, 6753236), (4, 5064927), (6, 3376618), (7, 2894244), (12, 1688309), (14, 1447122), (21, 964748), (28, 723561), (42, 482374), (43, 471156), (71, 285348), (79, 256452), (84, 241187), (86, 235578), (129, 157052), (142, 142674), (158, 128226), (172, 117789), (213, 95116), (237, 85484), (258, 78526), (284, 71337), (301, 67308), (316, 64113), (426, 47558), (474, 42742), (497, 40764), (516, 39263), (553, 36636), (602, 33654), (852, 23779), (903, 22436), (948, 21371), (994, 20382), (1106, 18318), (1204, 16827), (1491, 13588), (1659, 12212), (1806, 11218), (1988, 10191), (2212, 9159), (2982, 6794), (3053, 6636), (3318, 6106), (3397, 5964), (3612, 5609)]