220753708

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{19661}}^1$

素因数の和:20073

約数の個数: 24

約数和(自身を含む): 442630944

約数和(自身を除く): 221877236

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 19661, 39322, 78644, 137627, 275254, 550508, 7884061, 15768122, 31536244, 55188427, 110376854, 220753708]

約数ペア:

[(1, 220753708), (2, 110376854), (4, 55188427), (7, 31536244), (14, 15768122), (28, 7884061), (401, 550508), (802, 275254), (1604, 137627), (2807, 78644), (5614, 39322), (11228, 19661)]