20285963520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170413}}^1$

素因数の和:170468

約数の個数: 144

約数和(自身を含む): 66878633472

約数和(自身を除く): 46592669952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 19840, 23808, 29760, 39680, 59520, 119040, 170413, 340826, 511239, 681652, 852065, 1022478, 1363304, 1704130, 2044956, 2556195, 2726608, 3408260, 4089912, 5112390, 5282803, 5453216, 6816520, 8179824, 10224780, 10565606, 10906432, 13633040, 15848409, 16359648, 20449560, 21131212, 21812864, 26414015, 27266080, 31696818, 32719296, 40899120, 42262424, 43625728, 52828030, 54532160, 63393636, 65438592, 79242045, 81798240, 84524848, 105656060, 109064320, 126787272, 130877184, 158484090, 163596480, 169049696, 211312120, 218128640, 253574544, 316968180, 327192960, 338099392, 422624240, 507149088, 633936360, 654385920, 676198784, 845248480, 1014298176, 1267872720, 1352397568, 1690496960, 2028596352, 2535745440, 3380993920, 4057192704, 5071490880, 6761987840, 10142981760, 20285963520]

約数ペア:

[(1, 20285963520), (2, 10142981760), (3, 6761987840), (4, 5071490880), (5, 4057192704), (6, 3380993920), (8, 2535745440), (10, 2028596352), (12, 1690496960), (15, 1352397568), (16, 1267872720), (20, 1014298176), (24, 845248480), (30, 676198784), (31, 654385920), (32, 633936360), (40, 507149088), (48, 422624240), (60, 338099392), (62, 327192960), (64, 316968180), (80, 253574544), (93, 218128640), (96, 211312120), (120, 169049696), (124, 163596480), (128, 158484090), (155, 130877184), (160, 126787272), (186, 109064320), (192, 105656060), (240, 84524848), (248, 81798240), (256, 79242045), (310, 65438592), (320, 63393636), (372, 54532160), (384, 52828030), (465, 43625728), (480, 42262424), (496, 40899120), (620, 32719296), (640, 31696818), (744, 27266080), (768, 26414015), (930, 21812864), (960, 21131212), (992, 20449560), (1240, 16359648), (1280, 15848409), (1488, 13633040), (1860, 10906432), (1920, 10565606), (1984, 10224780), (2480, 8179824), (2976, 6816520), (3720, 5453216), (3840, 5282803), (3968, 5112390), (4960, 4089912), (5952, 3408260), (7440, 2726608), (7936, 2556195), (9920, 2044956), (11904, 1704130), (14880, 1363304), (19840, 1022478), (23808, 852065), (29760, 681652), (39680, 511239), (59520, 340826), (119040, 170413)]