20321012

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 16087948

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 601, 1202, 2404, 8453, 16906, 33812, 47479, 64307, 94958, 128614, 189916, 257228, 5080253, 10160506, 20321012]

約数ペア:

[(1, 20321012), (2, 10160506), (4, 5080253), (79, 257228), (107, 189916), (158, 128614), (214, 94958), (316, 64307), (428, 47479), (601, 33812), (1202, 16906), (2404, 8453)]