20081782

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15376778

約数列:

[1, 2, 7, 14, 71, 89, 142, 178, 227, 454, 497, 623, 994, 1246, 1589, 3178, 6319, 12638, 16117, 20203, 32234, 40406, 44233, 88466, 112819, 141421, 225638, 282842, 1434413, 2868826, 10040891, 20081782]

約数ペア:

[(1, 20081782), (2, 10040891), (7, 2868826), (14, 1434413), (71, 282842), (89, 225638), (142, 141421), (178, 112819), (227, 88466), (454, 44233), (497, 40406), (623, 32234), (994, 20203), (1246, 16117), (1589, 12638), (3178, 6319)]