20590128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 65808288

約数和(自身を除く): 45218160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 647, 663, 816, 884, 936, 1224, 1294, 1326, 1768, 1872, 1941, 1989, 2448, 2588, 2652, 3536, 3882, 3978, 5176, 5304, 5823, 7764, 7956, 8411, 10352, 10608, 10999, 11646, 15528, 15912, 16822, 21998, 23292, 25233, 31056, 31824, 32997, 33644, 43996, 46584, 50466, 65994, 67288, 75699, 87992, 93168, 98991, 100932, 131988, 134576, 142987, 151398, 175984, 197982, 201864, 263976, 285974, 302796, 395964, 403728, 428961, 527952, 571948, 605592, 791928, 857922, 1143896, 1211184, 1286883, 1583856, 1715844, 2287792, 2573766, 3431688, 5147532, 6863376, 10295064, 20590128]

約数ペア:

[(1, 20590128), (2, 10295064), (3, 6863376), (4, 5147532), (6, 3431688), (8, 2573766), (9, 2287792), (12, 1715844), (13, 1583856), (16, 1286883), (17, 1211184), (18, 1143896), (24, 857922), (26, 791928), (34, 605592), (36, 571948), (39, 527952), (48, 428961), (51, 403728), (52, 395964), (68, 302796), (72, 285974), (78, 263976), (102, 201864), (104, 197982), (117, 175984), (136, 151398), (144, 142987), (153, 134576), (156, 131988), (204, 100932), (208, 98991), (221, 93168), (234, 87992), (272, 75699), (306, 67288), (312, 65994), (408, 50466), (442, 46584), (468, 43996), (612, 33644), (624, 32997), (647, 31824), (663, 31056), (816, 25233), (884, 23292), (936, 21998), (1224, 16822), (1294, 15912), (1326, 15528), (1768, 11646), (1872, 10999), (1941, 10608), (1989, 10352), (2448, 8411), (2588, 7956), (2652, 7764), (3536, 5823), (3882, 5304), (3978, 5176)]