20997038

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1663}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11351122

約数列:

[1, 2, 59, 107, 118, 214, 1663, 3326, 6313, 12626, 98117, 177941, 196234, 355882, 10498519, 20997038]

約数ペア:

[(1, 20997038), (2, 10498519), (59, 355882), (107, 196234), (118, 177941), (214, 98117), (1663, 12626), (3326, 6313)]