20464885

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15803}}^1$

素因数の和:15852

約数の個数: 16

約数和(自身を含む): 28826496

約数和(自身を除く): 8361611

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15803, 79015, 110621, 553105, 584711, 2923555, 4092977, 20464885]

約数ペア:

[(1, 20464885), (5, 4092977), (7, 2923555), (35, 584711), (37, 553105), (185, 110621), (259, 79015), (1295, 15803)]