20097828

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2705

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 32761692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2621, 3834, 5242, 7668, 7863, 10484, 15726, 23589, 31452, 47178, 70767, 94356, 141534, 186091, 283068, 372182, 558273, 744364, 1116546, 1674819, 2233092, 3349638, 5024457, 6699276, 10048914, 20097828]

約数ペア:

[(1, 20097828), (2, 10048914), (3, 6699276), (4, 5024457), (6, 3349638), (9, 2233092), (12, 1674819), (18, 1116546), (27, 744364), (36, 558273), (54, 372182), (71, 283068), (108, 186091), (142, 141534), (213, 94356), (284, 70767), (426, 47178), (639, 31452), (852, 23589), (1278, 15726), (1917, 10484), (2556, 7863), (2621, 7668), (3834, 5242)]