20326690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 37945584

約数和(自身を除く): 17618894

約数列:

[1, 2, 5, 10, 37, 74, 137, 185, 274, 370, 401, 685, 802, 1370, 2005, 4010, 5069, 10138, 14837, 25345, 29674, 50690, 54937, 74185, 109874, 148370, 274685, 549370, 2032669, 4065338, 10163345, 20326690]

約数ペア:

[(1, 20326690), (2, 10163345), (5, 4065338), (10, 2032669), (37, 549370), (74, 274685), (137, 148370), (185, 109874), (274, 74185), (370, 54937), (401, 50690), (685, 29674), (802, 25345), (1370, 14837), (2005, 10138), (4010, 5069)]