20157711743

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{3923}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 23257704960

約数和(自身を除く): 3099993217

約数列:

[1, 13, 19, 71, 247, 293, 923, 1349, 3809, 3923, 5567, 17537, 20803, 50999, 72371, 74537, 270439, 278533, 395257, 968981, 1149439, 3620929, 5138341, 5292127, 14942707, 21839341, 68797651, 81610169, 283911433, 1060932197, 1550593211, 20157711743]

約数ペア:

[(1, 20157711743), (13, 1550593211), (19, 1060932197), (71, 283911433), (247, 81610169), (293, 68797651), (923, 21839341), (1349, 14942707), (3809, 5292127), (3923, 5138341), (5567, 3620929), (17537, 1149439), (20803, 968981), (50999, 395257), (72371, 278533), (74537, 270439)]