20558304

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:82

約数の個数: 216

約数和(自身を含む): 70401240

約数和(自身を除く): 49842936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 19, 24, 26, 32, 34, 36, 38, 39, 48, 51, 52, 57, 68, 72, 76, 78, 96, 102, 104, 114, 117, 136, 144, 152, 153, 156, 171, 204, 208, 221, 228, 234, 247, 272, 288, 289, 304, 306, 312, 323, 342, 408, 416, 442, 456, 468, 494, 544, 578, 608, 612, 624, 646, 663, 684, 741, 816, 867, 884, 912, 936, 969, 988, 1156, 1224, 1248, 1292, 1326, 1368, 1482, 1632, 1734, 1768, 1824, 1872, 1938, 1976, 1989, 2223, 2312, 2448, 2584, 2601, 2652, 2736, 2907, 2964, 3468, 3536, 3744, 3757, 3876, 3952, 3978, 4199, 4446, 4624, 4896, 5168, 5202, 5304, 5472, 5491, 5814, 5928, 6936, 7072, 7514, 7752, 7904, 7956, 8398, 8892, 9248, 10336, 10404, 10608, 10982, 11271, 11628, 11856, 12597, 13872, 15028, 15504, 15912, 16473, 16796, 17784, 20808, 21216, 21964, 22542, 23256, 23712, 25194, 27744, 30056, 31008, 31824, 32946, 33592, 33813, 35568, 37791, 41616, 43928, 45084, 46512, 49419, 50388, 60112, 63648, 65892, 67184, 67626, 71136, 71383, 75582, 83232, 87856, 90168, 93024, 98838, 100776, 120224, 131784, 134368, 135252, 142766, 151164, 175712, 180336, 197676, 201552, 214149, 263568, 270504, 285532, 302328, 360672, 395352, 403104, 428298, 527136, 541008, 571064, 604656, 642447, 790704, 856596, 1082016, 1142128, 1209312, 1284894, 1581408, 1713192, 2284256, 2569788, 3426384, 5139576, 6852768, 10279152, 20558304]

約数ペア:

[(1, 20558304), (2, 10279152), (3, 6852768), (4, 5139576), (6, 3426384), (8, 2569788), (9, 2284256), (12, 1713192), (13, 1581408), (16, 1284894), (17, 1209312), (18, 1142128), (19, 1082016), (24, 856596), (26, 790704), (32, 642447), (34, 604656), (36, 571064), (38, 541008), (39, 527136), (48, 428298), (51, 403104), (52, 395352), (57, 360672), (68, 302328), (72, 285532), (76, 270504), (78, 263568), (96, 214149), (102, 201552), (104, 197676), (114, 180336), (117, 175712), (136, 151164), (144, 142766), (152, 135252), (153, 134368), (156, 131784), (171, 120224), (204, 100776), (208, 98838), (221, 93024), (228, 90168), (234, 87856), (247, 83232), (272, 75582), (288, 71383), (289, 71136), (304, 67626), (306, 67184), (312, 65892), (323, 63648), (342, 60112), (408, 50388), (416, 49419), (442, 46512), (456, 45084), (468, 43928), (494, 41616), (544, 37791), (578, 35568), (608, 33813), (612, 33592), (624, 32946), (646, 31824), (663, 31008), (684, 30056), (741, 27744), (816, 25194), (867, 23712), (884, 23256), (912, 22542), (936, 21964), (969, 21216), (988, 20808), (1156, 17784), (1224, 16796), (1248, 16473), (1292, 15912), (1326, 15504), (1368, 15028), (1482, 13872), (1632, 12597), (1734, 11856), (1768, 11628), (1824, 11271), (1872, 10982), (1938, 10608), (1976, 10404), (1989, 10336), (2223, 9248), (2312, 8892), (2448, 8398), (2584, 7956), (2601, 7904), (2652, 7752), (2736, 7514), (2907, 7072), (2964, 6936), (3468, 5928), (3536, 5814), (3744, 5491), (3757, 5472), (3876, 5304), (3952, 5202), (3978, 5168), (4199, 4896), (4446, 4624)]