20529670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{937}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 42412608

約数和(自身を除く): 21882938

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 937, 1565, 1874, 2191, 3130, 4382, 4685, 6559, 9370, 10955, 13118, 21910, 32795, 65590, 293281, 586562, 1466405, 2052967, 2932810, 4105934, 10264835, 20529670]

約数ペア:

[(1, 20529670), (2, 10264835), (5, 4105934), (7, 2932810), (10, 2052967), (14, 1466405), (35, 586562), (70, 293281), (313, 65590), (626, 32795), (937, 21910), (1565, 13118), (1874, 10955), (2191, 9370), (3130, 6559), (4382, 4685)]