20184756488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{38593}}^1$

素因数の和:38766

約数の個数: 64

約数和(自身を含む): 42014972160

約数和(自身を除く): 21830215672

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 107, 188, 214, 376, 428, 611, 856, 1222, 1391, 2444, 2782, 4888, 5029, 5564, 10058, 11128, 20116, 38593, 40232, 65377, 77186, 130754, 154372, 261508, 308744, 501709, 523016, 1003418, 1813871, 2006836, 3627742, 4013672, 4129451, 7255484, 8258902, 14510968, 16517804, 23580323, 33035608, 47160646, 53682863, 94321292, 107365726, 188642584, 194084197, 214731452, 388168394, 429462904, 776336788, 1552673576, 2523094561, 5046189122, 10092378244, 20184756488]

約数ペア:

[(1, 20184756488), (2, 10092378244), (4, 5046189122), (8, 2523094561), (13, 1552673576), (26, 776336788), (47, 429462904), (52, 388168394), (94, 214731452), (104, 194084197), (107, 188642584), (188, 107365726), (214, 94321292), (376, 53682863), (428, 47160646), (611, 33035608), (856, 23580323), (1222, 16517804), (1391, 14510968), (2444, 8258902), (2782, 7255484), (4888, 4129451), (5029, 4013672), (5564, 3627742), (10058, 2006836), (11128, 1813871), (20116, 1003418), (38593, 523016), (40232, 501709), (65377, 308744), (77186, 261508), (130754, 154372)]