20304004

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1489}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 40718720

約数和(自身を除く): 20414716

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1489, 1948, 2978, 3409, 5956, 6818, 10423, 13636, 20846, 41692, 725143, 1450286, 2900572, 5076001, 10152002, 20304004]

約数ペア:

[(1, 20304004), (2, 10152002), (4, 5076001), (7, 2900572), (14, 1450286), (28, 725143), (487, 41692), (974, 20846), (1489, 13636), (1948, 10423), (2978, 6818), (3409, 5956)]