20960478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 58901760

約数和(自身を除く): 37941282

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 71, 77, 99, 126, 142, 154, 189, 198, 213, 231, 297, 378, 426, 462, 497, 594, 639, 693, 781, 994, 1278, 1386, 1491, 1562, 1917, 2079, 2343, 2982, 3834, 4158, 4473, 4686, 5041, 5467, 7029, 8946, 10082, 10934, 13419, 14058, 15123, 16401, 21087, 26838, 30246, 32802, 35287, 42174, 45369, 49203, 55451, 70574, 90738, 98406, 105861, 110902, 136107, 147609, 166353, 211722, 272214, 295218, 317583, 332706, 388157, 499059, 635166, 776314, 952749, 998118, 1164471, 1497177, 1905498, 2328942, 2994354, 3493413, 6986826, 10480239, 20960478]

約数ペア:

[(1, 20960478), (2, 10480239), (3, 6986826), (6, 3493413), (7, 2994354), (9, 2328942), (11, 1905498), (14, 1497177), (18, 1164471), (21, 998118), (22, 952749), (27, 776314), (33, 635166), (42, 499059), (54, 388157), (63, 332706), (66, 317583), (71, 295218), (77, 272214), (99, 211722), (126, 166353), (142, 147609), (154, 136107), (189, 110902), (198, 105861), (213, 98406), (231, 90738), (297, 70574), (378, 55451), (426, 49203), (462, 45369), (497, 42174), (594, 35287), (639, 32802), (693, 30246), (781, 26838), (994, 21087), (1278, 16401), (1386, 15123), (1491, 14058), (1562, 13419), (1917, 10934), (2079, 10082), (2343, 8946), (2982, 7029), (3834, 5467), (4158, 5041), (4473, 4686)]