20616768

素因数分解:

$2^6\times 3^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 140

約数和(自身を含む): 63250572

約数和(自身を除く): 42633804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 72, 81, 82, 96, 97, 108, 123, 144, 162, 164, 192, 194, 216, 246, 288, 291, 324, 328, 369, 388, 432, 492, 576, 582, 648, 656, 738, 776, 864, 873, 984, 1107, 1164, 1296, 1312, 1476, 1552, 1728, 1746, 1968, 2214, 2328, 2592, 2619, 2624, 2952, 3104, 3321, 3492, 3936, 3977, 4428, 4656, 5184, 5238, 5904, 6208, 6642, 6984, 7857, 7872, 7954, 8856, 9312, 10476, 11808, 11931, 13284, 13968, 15714, 15908, 17712, 18624, 20952, 23616, 23862, 26568, 27936, 31428, 31816, 35424, 35793, 41904, 47724, 53136, 55872, 62856, 63632, 70848, 71586, 83808, 95448, 106272, 107379, 125712, 127264, 143172, 167616, 190896, 212544, 214758, 251424, 254528, 286344, 322137, 381792, 429516, 502848, 572688, 644274, 763584, 859032, 1145376, 1288548, 1718064, 2290752, 2577096, 3436128, 5154192, 6872256, 10308384, 20616768]

約数ペア:

[(1, 20616768), (2, 10308384), (3, 6872256), (4, 5154192), (6, 3436128), (8, 2577096), (9, 2290752), (12, 1718064), (16, 1288548), (18, 1145376), (24, 859032), (27, 763584), (32, 644274), (36, 572688), (41, 502848), (48, 429516), (54, 381792), (64, 322137), (72, 286344), (81, 254528), (82, 251424), (96, 214758), (97, 212544), (108, 190896), (123, 167616), (144, 143172), (162, 127264), (164, 125712), (192, 107379), (194, 106272), (216, 95448), (246, 83808), (288, 71586), (291, 70848), (324, 63632), (328, 62856), (369, 55872), (388, 53136), (432, 47724), (492, 41904), (576, 35793), (582, 35424), (648, 31816), (656, 31428), (738, 27936), (776, 26568), (864, 23862), (873, 23616), (984, 20952), (1107, 18624), (1164, 17712), (1296, 15908), (1312, 15714), (1476, 13968), (1552, 13284), (1728, 11931), (1746, 11808), (1968, 10476), (2214, 9312), (2328, 8856), (2592, 7954), (2619, 7872), (2624, 7857), (2952, 6984), (3104, 6642), (3321, 6208), (3492, 5904), (3936, 5238), (3977, 5184), (4428, 4656)]