20843585

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3023}}^1$

素因数の和:3232

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7896511

約数列:

[1, 5, 7, 35, 197, 985, 1379, 3023, 6895, 15115, 21161, 105805, 595531, 2977655, 4168717, 20843585]

約数ペア:

[(1, 20843585), (5, 4168717), (7, 2977655), (35, 595531), (197, 105805), (985, 21161), (1379, 15115), (3023, 6895)]