20170853885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1\times {\mathrm{5563}}^1$

素因数の和:6214

約数の個数: 48

約数和(自身を含む): 30008744064

約数和(自身を除く): 9837890179

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 613, 845, 1183, 3065, 4291, 5563, 5915, 7969, 21455, 27815, 38941, 39845, 55783, 72319, 103597, 194705, 278915, 361595, 506233, 517985, 725179, 940147, 2531165, 3410119, 3625895, 4700735, 6581029, 17050595, 23870833, 32905145, 44331547, 119354165, 221657735, 310320829, 576310111, 1551604145, 2881550555, 4034170777, 20170853885]

約数ペア:

[(1, 20170853885), (5, 4034170777), (7, 2881550555), (13, 1551604145), (35, 576310111), (65, 310320829), (91, 221657735), (169, 119354165), (455, 44331547), (613, 32905145), (845, 23870833), (1183, 17050595), (3065, 6581029), (4291, 4700735), (5563, 3625895), (5915, 3410119), (7969, 2531165), (21455, 940147), (27815, 725179), (38941, 517985), (39845, 506233), (55783, 361595), (72319, 278915), (103597, 194705)]