20797381192

素因数分解:

$2^3\times 7^1\times {\mathrm{857}}^1\times {\mathrm{433351}}^1$

素因数の和:434221

約数の個数: 32

約数和(自身を含む): 44617921920

約数和(自身を除く): 23820540728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 857, 1714, 3428, 5999, 6856, 11998, 23996, 47992, 433351, 866702, 1733404, 3033457, 3466808, 6066914, 12133828, 24267656, 371381807, 742763614, 1485527228, 2599672649, 2971054456, 5199345298, 10398690596, 20797381192]

約数ペア:

[(1, 20797381192), (2, 10398690596), (4, 5199345298), (7, 2971054456), (8, 2599672649), (14, 1485527228), (28, 742763614), (56, 371381807), (857, 24267656), (1714, 12133828), (3428, 6066914), (5999, 3466808), (6856, 3033457), (11998, 1733404), (23996, 866702), (47992, 433351)]