20170445309

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{36011}}^1$

素因数の和:36126

約数の個数: 32

約数和(自身を含む): 24891494400

約数和(自身を除く): 4721049091

約数列:

[1, 7, 23, 49, 71, 161, 343, 497, 1127, 1633, 3479, 7889, 11431, 24353, 36011, 80017, 252077, 560119, 828253, 1764539, 2556781, 5797771, 12351773, 17897467, 40584397, 58805963, 125282269, 284090779, 411641741, 876975883, 2881492187, 20170445309]

約数ペア:

[(1, 20170445309), (7, 2881492187), (23, 876975883), (49, 411641741), (71, 284090779), (161, 125282269), (343, 58805963), (497, 40584397), (1127, 17897467), (1633, 12351773), (3479, 5797771), (7889, 2556781), (11431, 1764539), (24353, 828253), (36011, 560119), (80017, 252077)]