20164568487

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{218579}}^1$

素因数の和:218803

約数の個数: 32

約数和(自身を含む): 32230932480

約数和(自身を除く): 12066363993

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 483, 573, 1337, 4011, 4393, 13179, 30751, 92253, 218579, 655737, 1530053, 4590159, 5027317, 15081951, 35191219, 41748589, 105573657, 125245767, 292240123, 876720369, 960217547, 2880652641, 6721522829, 20164568487]

約数ペア:

[(1, 20164568487), (3, 6721522829), (7, 2880652641), (21, 960217547), (23, 876720369), (69, 292240123), (161, 125245767), (191, 105573657), (483, 41748589), (573, 35191219), (1337, 15081951), (4011, 5027317), (4393, 4590159), (13179, 1530053), (30751, 655737), (92253, 218579)]