20670831

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 31556096

約数和(自身を除く): 10885265

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1723, 3999, 5169, 11997, 15507, 53413, 74089, 160239, 222267, 480717, 666801, 2296759, 6890277, 20670831]

約数ペア:

[(1, 20670831), (3, 6890277), (9, 2296759), (31, 666801), (43, 480717), (93, 222267), (129, 160239), (279, 74089), (387, 53413), (1333, 15507), (1723, 11997), (3999, 5169)]