20191252

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 36590400

約数和(自身を除く): 16399148

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1319, 2638, 3827, 5276, 7654, 15308, 56717, 113434, 117391, 226868, 234782, 469564, 5047813, 10095626, 20191252]

約数ペア:

[(1, 20191252), (2, 10095626), (4, 5047813), (43, 469564), (86, 234782), (89, 226868), (172, 117391), (178, 113434), (356, 56717), (1319, 15308), (2638, 7654), (3827, 5276)]