20163949664

素因数分解:

$2^5\times {\mathrm{2591}}^1\times {\mathrm{243197}}^1$

素因数の和:245798

約数の個数: 24

約数和(自身を含む): 39713260608

約数和(自身を除く): 19549310944

約数列:

[1, 2, 4, 8, 16, 32, 2591, 5182, 10364, 20728, 41456, 82912, 243197, 486394, 972788, 1945576, 3891152, 7782304, 630123427, 1260246854, 2520493708, 5040987416, 10081974832, 20163949664]

約数ペア:

[(1, 20163949664), (2, 10081974832), (4, 5040987416), (8, 2520493708), (16, 1260246854), (32, 630123427), (2591, 7782304), (5182, 3891152), (10364, 1945576), (20728, 972788), (41456, 486394), (82912, 243197)]