20861208

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 59623200

約数和(自身を除く): 38761992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 97, 103, 116, 174, 194, 206, 232, 261, 291, 309, 348, 388, 412, 522, 582, 618, 696, 776, 824, 873, 927, 1044, 1164, 1236, 1746, 1854, 2088, 2328, 2472, 2813, 2987, 3492, 3708, 5626, 5974, 6984, 7416, 8439, 8961, 9991, 11252, 11948, 16878, 17922, 19982, 22504, 23896, 25317, 26883, 29973, 33756, 35844, 39964, 50634, 53766, 59946, 67512, 71688, 79928, 89919, 101268, 107532, 119892, 179838, 202536, 215064, 239784, 289739, 359676, 579478, 719352, 869217, 1158956, 1738434, 2317912, 2607651, 3476868, 5215302, 6953736, 10430604, 20861208]

約数ペア:

[(1, 20861208), (2, 10430604), (3, 6953736), (4, 5215302), (6, 3476868), (8, 2607651), (9, 2317912), (12, 1738434), (18, 1158956), (24, 869217), (29, 719352), (36, 579478), (58, 359676), (72, 289739), (87, 239784), (97, 215064), (103, 202536), (116, 179838), (174, 119892), (194, 107532), (206, 101268), (232, 89919), (261, 79928), (291, 71688), (309, 67512), (348, 59946), (388, 53766), (412, 50634), (522, 39964), (582, 35844), (618, 33756), (696, 29973), (776, 26883), (824, 25317), (873, 23896), (927, 22504), (1044, 19982), (1164, 17922), (1236, 16878), (1746, 11948), (1854, 11252), (2088, 9991), (2328, 8961), (2472, 8439), (2813, 7416), (2987, 6984), (3492, 5974), (3708, 5626)]