20145692

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1709}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 40410720

約数和(自身を除く): 20265028

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 1709, 2947, 3418, 5894, 6836, 11788, 11963, 23926, 47852, 719489, 1438978, 2877956, 5036423, 10072846, 20145692]

約数ペア:

[(1, 20145692), (2, 10072846), (4, 5036423), (7, 2877956), (14, 1438978), (28, 719489), (421, 47852), (842, 23926), (1684, 11963), (1709, 11788), (2947, 6836), (3418, 5894)]