20621768713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{14561}}^1$

素因数の和:14857

約数の個数: 32

約数和(自身を含む): 25834152960

約数和(自身を除く): 5212384247

約数列:

[1, 7, 13, 79, 91, 197, 553, 1027, 1379, 2561, 7189, 14561, 15563, 17927, 101927, 108941, 189293, 202319, 1150319, 1325051, 1416233, 2868517, 8052233, 14954147, 20079619, 37290721, 104679029, 226612843, 261035047, 1586289901, 2945966959, 20621768713]

約数ペア:

[(1, 20621768713), (7, 2945966959), (13, 1586289901), (79, 261035047), (91, 226612843), (197, 104679029), (553, 37290721), (1027, 20079619), (1379, 14954147), (2561, 8052233), (7189, 2868517), (14561, 1416233), (15563, 1325051), (17927, 1150319), (101927, 202319), (108941, 189293)]