20802649615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5327183}}^1$

素因数の和:5327270

約数の個数: 16

約数和(自身を含む): 27616121856

約数和(自身を除く): 6813472241

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5327183, 26635915, 58599013, 292995065, 378229993, 1891149965, 4160529923, 20802649615]

約数ペア:

[(1, 20802649615), (5, 4160529923), (11, 1891149965), (55, 378229993), (71, 292995065), (355, 58599013), (781, 26635915), (3905, 5327183)]