20778815519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{49433}}^1$

素因数の和:49607

約数の個数: 32

約数和(自身を含む): 26651649024

約数和(自身を除く): 5872833505

約数列:

[1, 7, 11, 53, 77, 103, 371, 583, 721, 1133, 4081, 5459, 7931, 38213, 49433, 60049, 346031, 420343, 543763, 2619949, 3806341, 5091599, 18339643, 28819439, 35641193, 56007589, 201736073, 269854747, 392053123, 1888983229, 2968402217, 20778815519]

約数ペア:

[(1, 20778815519), (7, 2968402217), (11, 1888983229), (53, 392053123), (77, 269854747), (103, 201736073), (371, 56007589), (583, 35641193), (721, 28819439), (1133, 18339643), (4081, 5091599), (5459, 3806341), (7931, 2619949), (38213, 543763), (49433, 420343), (60049, 346031)]