20050576

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 48996864

約数和(自身を除く): 28946288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 293, 329, 364, 376, 586, 611, 658, 728, 752, 1172, 1222, 1316, 1456, 2051, 2344, 2444, 2632, 3809, 4102, 4277, 4688, 4888, 5264, 7618, 8204, 8554, 9776, 13771, 15236, 16408, 17108, 26663, 27542, 30472, 32816, 34216, 53326, 55084, 60944, 68432, 96397, 106652, 110168, 179023, 192794, 213304, 220336, 358046, 385588, 426608, 716092, 771176, 1253161, 1432184, 1542352, 2506322, 2864368, 5012644, 10025288, 20050576]

約数ペア:

[(1, 20050576), (2, 10025288), (4, 5012644), (7, 2864368), (8, 2506322), (13, 1542352), (14, 1432184), (16, 1253161), (26, 771176), (28, 716092), (47, 426608), (52, 385588), (56, 358046), (91, 220336), (94, 213304), (104, 192794), (112, 179023), (182, 110168), (188, 106652), (208, 96397), (293, 68432), (329, 60944), (364, 55084), (376, 53326), (586, 34216), (611, 32816), (658, 30472), (728, 27542), (752, 26663), (1172, 17108), (1222, 16408), (1316, 15236), (1456, 13771), (2051, 9776), (2344, 8554), (2444, 8204), (2632, 7618), (3809, 5264), (4102, 4888), (4277, 4688)]