20968714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 14424182

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 307, 481, 614, 923, 962, 1846, 2627, 3991, 5254, 7982, 11359, 21797, 22718, 34151, 43594, 68302, 147667, 283361, 295334, 566722, 806489, 1612978, 10484357, 20968714]

約数ペア:

[(1, 20968714), (2, 10484357), (13, 1612978), (26, 806489), (37, 566722), (71, 295334), (74, 283361), (142, 147667), (307, 68302), (481, 43594), (614, 34151), (923, 22718), (962, 21797), (1846, 11359), (2627, 7982), (3991, 5254)]