20178487730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1279549}}^1$

素因数の和:1279658

約数の個数: 32

約数和(自身を含む): 38693592000

約数和(自身を除く): 18515104270

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 15770, 1279549, 2559098, 6397745, 12795490, 24311431, 48622862, 106202567, 121557155, 212405134, 243114310, 531012835, 1062025670, 2017848773, 4035697546, 10089243865, 20178487730]

約数ペア:

[(1, 20178487730), (2, 10089243865), (5, 4035697546), (10, 2017848773), (19, 1062025670), (38, 531012835), (83, 243114310), (95, 212405134), (166, 121557155), (190, 106202567), (415, 48622862), (830, 24311431), (1577, 12795490), (3154, 6397745), (7885, 2559098), (15770, 1279549)]