20456850480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{2741}}^1$

素因数の和:3036

約数の個数: 240

約数和(自身を含む): 70002207072

約数和(自身を除く): 49545356592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 257, 264, 330, 363, 440, 484, 514, 528, 605, 660, 726, 771, 880, 968, 1028, 1210, 1285, 1320, 1452, 1542, 1815, 1936, 2056, 2420, 2570, 2640, 2741, 2827, 2904, 3084, 3630, 3855, 4112, 4840, 5140, 5482, 5654, 5808, 6168, 7260, 7710, 8223, 8481, 9680, 10280, 10964, 11308, 12336, 13705, 14135, 14520, 15420, 16446, 16962, 20560, 21928, 22616, 27410, 28270, 29040, 30151, 30840, 31097, 32892, 33924, 41115, 42405, 43856, 45232, 54820, 56540, 60302, 61680, 62194, 65784, 67848, 82230, 84810, 90453, 93291, 109640, 113080, 120604, 124388, 131568, 135696, 150755, 155485, 164460, 169620, 180906, 186582, 219280, 226160, 241208, 248776, 301510, 310970, 328920, 331661, 339240, 361812, 373164, 452265, 466455, 482416, 497552, 603020, 621940, 657840, 663322, 678480, 704437, 723624, 746328, 904530, 932910, 994983, 1206040, 1243880, 1326644, 1408874, 1447248, 1492656, 1658305, 1809060, 1865820, 1989966, 2113311, 2412080, 2487760, 2653288, 2817748, 3316610, 3522185, 3618120, 3731640, 3979932, 4226622, 4974915, 5306576, 5635496, 6633220, 7044370, 7236240, 7463280, 7748807, 7959864, 8453244, 9949830, 10566555, 11270992, 13266440, 14088740, 15497614, 15919728, 16906488, 19899660, 21133110, 23246421, 26532880, 28177480, 30995228, 33812976, 38744035, 39799320, 42266220, 46492842, 56354960, 61990456, 77488070, 79598640, 84532440, 85236877, 92985684, 116232105, 123980912, 154976140, 169064880, 170473754, 185971368, 232464210, 255710631, 309952280, 340947508, 371942736, 426184385, 464928420, 511421262, 619904560, 681895016, 852368770, 929856840, 1022842524, 1278553155, 1363790032, 1704737540, 1859713680, 2045685048, 2557106310, 3409475080, 4091370096, 5114212620, 6818950160, 10228425240, 20456850480]

約数ペア:

[(1, 20456850480), (2, 10228425240), (3, 6818950160), (4, 5114212620), (5, 4091370096), (6, 3409475080), (8, 2557106310), (10, 2045685048), (11, 1859713680), (12, 1704737540), (15, 1363790032), (16, 1278553155), (20, 1022842524), (22, 929856840), (24, 852368770), (30, 681895016), (33, 619904560), (40, 511421262), (44, 464928420), (48, 426184385), (55, 371942736), (60, 340947508), (66, 309952280), (80, 255710631), (88, 232464210), (110, 185971368), (120, 170473754), (121, 169064880), (132, 154976140), (165, 123980912), (176, 116232105), (220, 92985684), (240, 85236877), (242, 84532440), (257, 79598640), (264, 77488070), (330, 61990456), (363, 56354960), (440, 46492842), (484, 42266220), (514, 39799320), (528, 38744035), (605, 33812976), (660, 30995228), (726, 28177480), (771, 26532880), (880, 23246421), (968, 21133110), (1028, 19899660), (1210, 16906488), (1285, 15919728), (1320, 15497614), (1452, 14088740), (1542, 13266440), (1815, 11270992), (1936, 10566555), (2056, 9949830), (2420, 8453244), (2570, 7959864), (2640, 7748807), (2741, 7463280), (2827, 7236240), (2904, 7044370), (3084, 6633220), (3630, 5635496), (3855, 5306576), (4112, 4974915), (4840, 4226622), (5140, 3979932), (5482, 3731640), (5654, 3618120), (5808, 3522185), (6168, 3316610), (7260, 2817748), (7710, 2653288), (8223, 2487760), (8481, 2412080), (9680, 2113311), (10280, 1989966), (10964, 1865820), (11308, 1809060), (12336, 1658305), (13705, 1492656), (14135, 1447248), (14520, 1408874), (15420, 1326644), (16446, 1243880), (16962, 1206040), (20560, 994983), (21928, 932910), (22616, 904530), (27410, 746328), (28270, 723624), (29040, 704437), (30151, 678480), (30840, 663322), (31097, 657840), (32892, 621940), (33924, 603020), (41115, 497552), (42405, 482416), (43856, 466455), (45232, 452265), (54820, 373164), (56540, 361812), (60302, 339240), (61680, 331661), (62194, 328920), (65784, 310970), (67848, 301510), (82230, 248776), (84810, 241208), (90453, 226160), (93291, 219280), (109640, 186582), (113080, 180906), (120604, 169620), (124388, 164460), (131568, 155485), (135696, 150755)]