20550556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1873}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 38934224

約数和(自身を除く): 18383668

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1873, 2743, 3746, 5486, 7492, 10972, 24349, 48698, 97396, 395203, 790406, 1580812, 5137639, 10275278, 20550556]

約数ペア:

[(1, 20550556), (2, 10275278), (4, 5137639), (13, 1580812), (26, 790406), (52, 395203), (211, 97396), (422, 48698), (844, 24349), (1873, 10972), (2743, 7492), (3746, 5486)]