20500746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3109}}^1$

素因数の和:3278

約数の個数: 32

約数和(自身を含む): 47172480

約数和(自身を除く): 26671734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 3109, 3297, 6218, 6594, 9327, 18654, 21763, 43526, 65289, 130578, 488113, 976226, 1464339, 2928678, 3416791, 6833582, 10250373, 20500746]

約数ペア:

[(1, 20500746), (2, 10250373), (3, 6833582), (6, 3416791), (7, 2928678), (14, 1464339), (21, 976226), (42, 488113), (157, 130578), (314, 65289), (471, 43526), (942, 21763), (1099, 18654), (2198, 9327), (3109, 6594), (3297, 6218)]