20161310624

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{1609}}^1$

素因数の和:1983

約数の個数: 144

約数和(自身を含む): 49299848640

約数和(自身を除く): 29138538016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 331, 338, 364, 416, 662, 676, 728, 1183, 1324, 1352, 1456, 1609, 2317, 2366, 2648, 2704, 2912, 3218, 4303, 4634, 4732, 5296, 5408, 6436, 8606, 9268, 9464, 10592, 11263, 12872, 17212, 18536, 18928, 20917, 22526, 25744, 30121, 34424, 37072, 37856, 41834, 45052, 51488, 55939, 60242, 68848, 74144, 83668, 90104, 111878, 120484, 137696, 146419, 167336, 180208, 223756, 240968, 271921, 292838, 334672, 360416, 391573, 447512, 481936, 532579, 543842, 585676, 669344, 783146, 895024, 963872, 1065158, 1087684, 1171352, 1566292, 1790048, 1903447, 2130316, 2175368, 2342704, 3132584, 3728053, 3806894, 4260632, 4350736, 4685408, 6265168, 6923527, 7456106, 7613788, 8521264, 8701472, 12530336, 13847054, 14912212, 15227576, 17042528, 27694108, 29824424, 30455152, 48464689, 55388216, 59648848, 60910304, 90005851, 96929378, 110776432, 119297696, 180011702, 193858756, 221552864, 360023404, 387717512, 630040957, 720046808, 775435024, 1260081914, 1440093616, 1550870048, 2520163828, 2880187232, 5040327656, 10080655312, 20161310624]

約数ペア:

[(1, 20161310624), (2, 10080655312), (4, 5040327656), (7, 2880187232), (8, 2520163828), (13, 1550870048), (14, 1440093616), (16, 1260081914), (26, 775435024), (28, 720046808), (32, 630040957), (52, 387717512), (56, 360023404), (91, 221552864), (104, 193858756), (112, 180011702), (169, 119297696), (182, 110776432), (208, 96929378), (224, 90005851), (331, 60910304), (338, 59648848), (364, 55388216), (416, 48464689), (662, 30455152), (676, 29824424), (728, 27694108), (1183, 17042528), (1324, 15227576), (1352, 14912212), (1456, 13847054), (1609, 12530336), (2317, 8701472), (2366, 8521264), (2648, 7613788), (2704, 7456106), (2912, 6923527), (3218, 6265168), (4303, 4685408), (4634, 4350736), (4732, 4260632), (5296, 3806894), (5408, 3728053), (6436, 3132584), (8606, 2342704), (9268, 2175368), (9464, 2130316), (10592, 1903447), (11263, 1790048), (12872, 1566292), (17212, 1171352), (18536, 1087684), (18928, 1065158), (20917, 963872), (22526, 895024), (25744, 783146), (30121, 669344), (34424, 585676), (37072, 543842), (37856, 532579), (41834, 481936), (45052, 447512), (51488, 391573), (55939, 360416), (60242, 334672), (68848, 292838), (74144, 271921), (83668, 240968), (90104, 223756), (111878, 180208), (120484, 167336), (137696, 146419)]