20693804

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3779}}^1$

素因数の和:3857

約数の個数: 18

約数和(自身を含む): 37229220

約数和(自身を除く): 16535416

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3779, 5476, 7558, 15116, 139823, 279646, 559292, 5173451, 10346902, 20693804]

約数ペア:

[(1, 20693804), (2, 10346902), (4, 5173451), (37, 559292), (74, 279646), (148, 139823), (1369, 15116), (2738, 7558), (3779, 5476)]