20551370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 42605568

約数和(自身を除く): 22054198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2143, 4286, 4795, 9590, 10715, 15001, 21430, 30002, 75005, 150010, 293591, 587182, 1467955, 2055137, 2935910, 4110274, 10275685, 20551370]

約数ペア:

[(1, 20551370), (2, 10275685), (5, 4110274), (7, 2935910), (10, 2055137), (14, 1467955), (35, 587182), (70, 293591), (137, 150010), (274, 75005), (685, 30002), (959, 21430), (1370, 15001), (1918, 10715), (2143, 9590), (4286, 4795)]