20616686

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2441}}^1$

素因数の和:2587

約数の個数: 16

約数和(自身を含む): 31999968

約数和(自身を除く): 11383282

約数列:

[1, 2, 41, 82, 103, 206, 2441, 4223, 4882, 8446, 100081, 200162, 251423, 502846, 10308343, 20616686]

約数ペア:

[(1, 20616686), (2, 10308343), (41, 502846), (82, 251423), (103, 200162), (206, 100081), (2441, 8446), (4223, 4882)]