20858686

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 32034240

約数和(自身を除く): 11175554

約数列:

[1, 2, 79, 97, 158, 194, 1361, 2722, 7663, 15326, 107519, 132017, 215038, 264034, 10429343, 20858686]

約数ペア:

[(1, 20858686), (2, 10429343), (79, 264034), (97, 215038), (158, 132017), (194, 107519), (1361, 15326), (2722, 7663)]