20264244

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 64886976

約数和(自身を除く): 44622732

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 49, 52, 66, 77, 78, 84, 91, 98, 132, 143, 147, 154, 156, 182, 196, 231, 241, 273, 286, 294, 308, 364, 429, 462, 482, 539, 546, 572, 588, 637, 723, 858, 924, 964, 1001, 1078, 1092, 1274, 1446, 1617, 1687, 1716, 1911, 2002, 2156, 2548, 2651, 2892, 3003, 3133, 3234, 3374, 3822, 4004, 5061, 5302, 6006, 6266, 6468, 6748, 7007, 7644, 7953, 9399, 10122, 10604, 11809, 12012, 12532, 14014, 15906, 18557, 18798, 20244, 21021, 21931, 23618, 28028, 31812, 34463, 35427, 37114, 37596, 42042, 43862, 47236, 55671, 65793, 68926, 70854, 74228, 84084, 87724, 103389, 111342, 129899, 131586, 137852, 141708, 153517, 206778, 222684, 241241, 259798, 263172, 307034, 389697, 413556, 460551, 482482, 519596, 614068, 723723, 779394, 921102, 964964, 1447446, 1558788, 1688687, 1842204, 2894892, 3377374, 5066061, 6754748, 10132122, 20264244]

約数ペア:

[(1, 20264244), (2, 10132122), (3, 6754748), (4, 5066061), (6, 3377374), (7, 2894892), (11, 1842204), (12, 1688687), (13, 1558788), (14, 1447446), (21, 964964), (22, 921102), (26, 779394), (28, 723723), (33, 614068), (39, 519596), (42, 482482), (44, 460551), (49, 413556), (52, 389697), (66, 307034), (77, 263172), (78, 259798), (84, 241241), (91, 222684), (98, 206778), (132, 153517), (143, 141708), (147, 137852), (154, 131586), (156, 129899), (182, 111342), (196, 103389), (231, 87724), (241, 84084), (273, 74228), (286, 70854), (294, 68926), (308, 65793), (364, 55671), (429, 47236), (462, 43862), (482, 42042), (539, 37596), (546, 37114), (572, 35427), (588, 34463), (637, 31812), (723, 28028), (858, 23618), (924, 21931), (964, 21021), (1001, 20244), (1078, 18798), (1092, 18557), (1274, 15906), (1446, 14014), (1617, 12532), (1687, 12012), (1716, 11809), (1911, 10604), (2002, 10122), (2156, 9399), (2548, 7953), (2651, 7644), (2892, 7007), (3003, 6748), (3133, 6468), (3234, 6266), (3374, 6006), (3822, 5302), (4004, 5061)]