20690988

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{32533}}^1$

素因数の和:32593

約数の個数: 24

約数和(自身を含む): 49191408

約数和(自身を除く): 28500420

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 32533, 65066, 97599, 130132, 195198, 390396, 1724249, 3448498, 5172747, 6896996, 10345494, 20690988]

約数ペア:

[(1, 20690988), (2, 10345494), (3, 6896996), (4, 5172747), (6, 3448498), (12, 1724249), (53, 390396), (106, 195198), (159, 130132), (212, 97599), (318, 65066), (636, 32533)]