20801242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 18317222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 293, 461, 586, 922, 2051, 3223, 3227, 4102, 5071, 6446, 6454, 10142, 22561, 35497, 45122, 70994, 135073, 270146, 945511, 1485803, 1891022, 2971606, 10400621, 20801242]

約数ペア:

[(1, 20801242), (2, 10400621), (7, 2971606), (11, 1891022), (14, 1485803), (22, 945511), (77, 270146), (154, 135073), (293, 70994), (461, 45122), (586, 35497), (922, 22561), (2051, 10142), (3223, 6454), (3227, 6446), (4102, 5071)]