20161578556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1093}}^1\times {\mathrm{28643}}^1$

素因数の和:29770

約数の個数: 48

約数和(自身を含む): 42116304384

約数和(自身を除く): 21954725828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1093, 2186, 4372, 7651, 15302, 25139, 28643, 30604, 50278, 57286, 100556, 114572, 175973, 200501, 351946, 401002, 658789, 703892, 802004, 1317578, 2635156, 4611523, 9223046, 18446092, 31306799, 62613598, 125227196, 219147593, 438295186, 720056377, 876590372, 1440112754, 2880225508, 5040394639, 10080789278, 20161578556]

約数ペア:

[(1, 20161578556), (2, 10080789278), (4, 5040394639), (7, 2880225508), (14, 1440112754), (23, 876590372), (28, 720056377), (46, 438295186), (92, 219147593), (161, 125227196), (322, 62613598), (644, 31306799), (1093, 18446092), (2186, 9223046), (4372, 4611523), (7651, 2635156), (15302, 1317578), (25139, 802004), (28643, 703892), (30604, 658789), (50278, 401002), (57286, 351946), (100556, 200501), (114572, 175973)]