20932090

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5381}}^1$

素因数の和:5777

約数の個数: 16

約数和(自身を含む): 37781640

約数和(自身を除く): 16849550

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5381, 10762, 26905, 53810, 2093209, 4186418, 10466045, 20932090]

約数ペア:

[(1, 20932090), (2, 10466045), (5, 4186418), (10, 2093209), (389, 53810), (778, 26905), (1945, 10762), (3890, 5381)]