20657202657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{3877}}^1$

素因数の和:4602

約数の個数: 64

約数和(自身を含む): 35129095680

約数和(自身を除く): 14471893023

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 673, 1131, 2019, 2639, 3877, 4711, 7917, 8749, 11631, 14133, 19517, 26247, 27139, 50401, 58551, 61243, 81417, 112433, 136619, 151203, 183729, 253721, 337299, 352807, 409857, 761163, 787031, 1058421, 1461629, 1776047, 2361093, 2609221, 4384887, 5328141, 7827663, 10231403, 18264547, 30694209, 33919873, 54793641, 75667409, 101759619, 227002227, 237439111, 529671863, 712317333, 983676317, 1589015589, 2951028951, 6885734219, 20657202657]

約数ペア:

[(1, 20657202657), (3, 6885734219), (7, 2951028951), (13, 1589015589), (21, 983676317), (29, 712317333), (39, 529671863), (87, 237439111), (91, 227002227), (203, 101759619), (273, 75667409), (377, 54793641), (609, 33919873), (673, 30694209), (1131, 18264547), (2019, 10231403), (2639, 7827663), (3877, 5328141), (4711, 4384887), (7917, 2609221), (8749, 2361093), (11631, 1776047), (14133, 1461629), (19517, 1058421), (26247, 787031), (27139, 761163), (50401, 409857), (58551, 352807), (61243, 337299), (81417, 253721), (112433, 183729), (136619, 151203)]