20041616

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1551

約数の個数: 40

約数和(自身を含む): 44759040

約数和(自身を除く): 24717424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1409, 1778, 2032, 2818, 3556, 5636, 7112, 9863, 11272, 14224, 19726, 22544, 39452, 78904, 157808, 178943, 357886, 715772, 1252601, 1431544, 2505202, 2863088, 5010404, 10020808, 20041616]

約数ペア:

[(1, 20041616), (2, 10020808), (4, 5010404), (7, 2863088), (8, 2505202), (14, 1431544), (16, 1252601), (28, 715772), (56, 357886), (112, 178943), (127, 157808), (254, 78904), (508, 39452), (889, 22544), (1016, 19726), (1409, 14224), (1778, 11272), (2032, 9863), (2818, 7112), (3556, 5636)]