20172521712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{73127}}^1$

素因数の和:73966

約数の個数: 80

約数和(自身を含む): 59630326272

約数和(自身を除く): 39457804560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 821, 1642, 2463, 3284, 4926, 5747, 6568, 9852, 11494, 13136, 17241, 19704, 22988, 34482, 39408, 45976, 68964, 73127, 91952, 137928, 146254, 219381, 275856, 292508, 438762, 511889, 585016, 877524, 1023778, 1170032, 1535667, 1755048, 2047556, 3071334, 3510096, 4095112, 6142668, 8190224, 12285336, 24570672, 60037267, 120074534, 180111801, 240149068, 360223602, 420260869, 480298136, 720447204, 840521738, 960596272, 1260782607, 1440894408, 1681043476, 2521565214, 2881788816, 3362086952, 5043130428, 6724173904, 10086260856, 20172521712]

約数ペア:

[(1, 20172521712), (2, 10086260856), (3, 6724173904), (4, 5043130428), (6, 3362086952), (7, 2881788816), (8, 2521565214), (12, 1681043476), (14, 1440894408), (16, 1260782607), (21, 960596272), (24, 840521738), (28, 720447204), (42, 480298136), (48, 420260869), (56, 360223602), (84, 240149068), (112, 180111801), (168, 120074534), (336, 60037267), (821, 24570672), (1642, 12285336), (2463, 8190224), (3284, 6142668), (4926, 4095112), (5747, 3510096), (6568, 3071334), (9852, 2047556), (11494, 1755048), (13136, 1535667), (17241, 1170032), (19704, 1023778), (22988, 877524), (34482, 585016), (39408, 511889), (45976, 438762), (68964, 292508), (73127, 275856), (91952, 219381), (137928, 146254)]