20520203984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1579}}^1$

素因数の和:1841

約数の個数: 160

約数和(自身を含む): 49653964800

約数和(自身を除く): 29133760816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 197, 217, 248, 266, 304, 394, 434, 496, 532, 589, 788, 868, 1064, 1178, 1379, 1576, 1579, 1736, 2128, 2356, 2758, 3152, 3158, 3472, 3743, 4123, 4712, 5516, 6107, 6316, 7486, 8246, 9424, 11032, 11053, 12214, 12632, 14972, 16492, 22064, 22106, 24428, 25264, 26201, 29944, 30001, 32984, 42749, 44212, 48856, 48949, 52402, 59888, 60002, 65968, 85498, 88424, 97712, 97898, 104804, 116033, 120004, 170996, 176848, 195796, 209608, 210007, 232066, 240008, 311063, 341992, 342643, 391592, 419216, 420014, 464132, 480016, 622126, 683984, 685286, 783184, 812231, 840028, 928264, 930031, 1244252, 1370572, 1624462, 1680056, 1856528, 1860062, 2177441, 2488504, 2741144, 3248924, 3360112, 3720124, 4354882, 4977008, 5482288, 5910197, 6497848, 6510217, 7440248, 8709764, 9642953, 11820394, 12995696, 13020434, 14880496, 17419528, 19285906, 23640788, 26040868, 34839056, 38571812, 41371379, 47281576, 52081736, 67500671, 77143624, 82742758, 94563152, 104163472, 135001342, 154287248, 165485516, 183216107, 270002684, 330971032, 366432214, 540005368, 661942064, 732864428, 1080010736, 1282512749, 1465728856, 2565025498, 2931457712, 5130050996, 10260101992, 20520203984]

約数ペア:

[(1, 20520203984), (2, 10260101992), (4, 5130050996), (7, 2931457712), (8, 2565025498), (14, 1465728856), (16, 1282512749), (19, 1080010736), (28, 732864428), (31, 661942064), (38, 540005368), (56, 366432214), (62, 330971032), (76, 270002684), (112, 183216107), (124, 165485516), (133, 154287248), (152, 135001342), (197, 104163472), (217, 94563152), (248, 82742758), (266, 77143624), (304, 67500671), (394, 52081736), (434, 47281576), (496, 41371379), (532, 38571812), (589, 34839056), (788, 26040868), (868, 23640788), (1064, 19285906), (1178, 17419528), (1379, 14880496), (1576, 13020434), (1579, 12995696), (1736, 11820394), (2128, 9642953), (2356, 8709764), (2758, 7440248), (3152, 6510217), (3158, 6497848), (3472, 5910197), (3743, 5482288), (4123, 4977008), (4712, 4354882), (5516, 3720124), (6107, 3360112), (6316, 3248924), (7486, 2741144), (8246, 2488504), (9424, 2177441), (11032, 1860062), (11053, 1856528), (12214, 1680056), (12632, 1624462), (14972, 1370572), (16492, 1244252), (22064, 930031), (22106, 928264), (24428, 840028), (25264, 812231), (26201, 783184), (29944, 685286), (30001, 683984), (32984, 622126), (42749, 480016), (44212, 464132), (48856, 420014), (48949, 419216), (52402, 391592), (59888, 342643), (60002, 341992), (65968, 311063), (85498, 240008), (88424, 232066), (97712, 210007), (97898, 209608), (104804, 195796), (116033, 176848), (120004, 170996)]