20784372960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{26227}}^1$

素因数の和:26385

約数の個数: 192

約数和(自身を含む): 71064870912

約数和(自身を除く): 50280497952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 127, 130, 156, 160, 195, 208, 240, 254, 260, 312, 381, 390, 416, 480, 508, 520, 624, 635, 762, 780, 1016, 1040, 1248, 1270, 1524, 1560, 1651, 1905, 2032, 2080, 2540, 3048, 3120, 3302, 3810, 4064, 4953, 5080, 6096, 6240, 6604, 7620, 8255, 9906, 10160, 12192, 13208, 15240, 16510, 19812, 20320, 24765, 26227, 26416, 30480, 33020, 39624, 49530, 52454, 52832, 60960, 66040, 78681, 79248, 99060, 104908, 131135, 132080, 157362, 158496, 198120, 209816, 262270, 264160, 314724, 340951, 393405, 396240, 419632, 524540, 629448, 681902, 786810, 792480, 839264, 1022853, 1049080, 1258896, 1363804, 1573620, 1704755, 2045706, 2098160, 2517792, 2727608, 3147240, 3330829, 3409510, 4091412, 4196320, 5114265, 5455216, 6294480, 6661658, 6819020, 8182824, 9992487, 10228530, 10910432, 12588960, 13323316, 13638040, 16365648, 16654145, 19984974, 20457060, 26646632, 27276080, 32731296, 33308290, 39969948, 40914120, 43300777, 49962435, 53293264, 54552160, 66616580, 79939896, 81828240, 86601554, 99924870, 106586528, 129902331, 133233160, 159879792, 163656480, 173203108, 199849740, 216503885, 259804662, 266466320, 319759584, 346406216, 399699480, 433007770, 519609324, 532932640, 649511655, 692812432, 799398960, 866015540, 1039218648, 1299023310, 1385624864, 1598797920, 1732031080, 2078437296, 2598046620, 3464062160, 4156874592, 5196093240, 6928124320, 10392186480, 20784372960]

約数ペア:

[(1, 20784372960), (2, 10392186480), (3, 6928124320), (4, 5196093240), (5, 4156874592), (6, 3464062160), (8, 2598046620), (10, 2078437296), (12, 1732031080), (13, 1598797920), (15, 1385624864), (16, 1299023310), (20, 1039218648), (24, 866015540), (26, 799398960), (30, 692812432), (32, 649511655), (39, 532932640), (40, 519609324), (48, 433007770), (52, 399699480), (60, 346406216), (65, 319759584), (78, 266466320), (80, 259804662), (96, 216503885), (104, 199849740), (120, 173203108), (127, 163656480), (130, 159879792), (156, 133233160), (160, 129902331), (195, 106586528), (208, 99924870), (240, 86601554), (254, 81828240), (260, 79939896), (312, 66616580), (381, 54552160), (390, 53293264), (416, 49962435), (480, 43300777), (508, 40914120), (520, 39969948), (624, 33308290), (635, 32731296), (762, 27276080), (780, 26646632), (1016, 20457060), (1040, 19984974), (1248, 16654145), (1270, 16365648), (1524, 13638040), (1560, 13323316), (1651, 12588960), (1905, 10910432), (2032, 10228530), (2080, 9992487), (2540, 8182824), (3048, 6819020), (3120, 6661658), (3302, 6294480), (3810, 5455216), (4064, 5114265), (4953, 4196320), (5080, 4091412), (6096, 3409510), (6240, 3330829), (6604, 3147240), (7620, 2727608), (8255, 2517792), (9906, 2098160), (10160, 2045706), (12192, 1704755), (13208, 1573620), (15240, 1363804), (16510, 1258896), (19812, 1049080), (20320, 1022853), (24765, 839264), (26227, 792480), (26416, 786810), (30480, 681902), (33020, 629448), (39624, 524540), (49530, 419632), (52454, 396240), (52832, 393405), (60960, 340951), (66040, 314724), (78681, 264160), (79248, 262270), (99060, 209816), (104908, 198120), (131135, 158496), (132080, 157362)]