20009063984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13742489}}^1$

素因数の和:13742517

約数の個数: 40

約数和(自身を含む): 47713925280

約数和(自身を除く): 27704861296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13742489, 27484978, 54969956, 96197423, 109939912, 178652357, 192394846, 219879824, 357304714, 384789692, 714609428, 769579384, 1250566499, 1429218856, 1539158768, 2501132998, 2858437712, 5002265996, 10004531992, 20009063984]

約数ペア:

[(1, 20009063984), (2, 10004531992), (4, 5002265996), (7, 2858437712), (8, 2501132998), (13, 1539158768), (14, 1429218856), (16, 1250566499), (26, 769579384), (28, 714609428), (52, 384789692), (56, 357304714), (91, 219879824), (104, 192394846), (112, 178652357), (182, 109939912), (208, 96197423), (364, 54969956), (728, 27484978), (1456, 13742489)]