20530952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4653

約数の個数: 32

約数和(自身を含む): 42430080

約数和(自身を除く): 21899128

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4591, 9182, 18364, 36728, 59683, 119366, 197413, 238732, 394826, 477464, 789652, 1579304, 2566369, 5132738, 10265476, 20530952]

約数ペア:

[(1, 20530952), (2, 10265476), (4, 5132738), (8, 2566369), (13, 1579304), (26, 789652), (43, 477464), (52, 394826), (86, 238732), (104, 197413), (172, 119366), (344, 59683), (559, 36728), (1118, 18364), (2236, 9182), (4472, 4591)]