20566892

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14243}}^1$

素因数の和:14285

約数の個数: 18

約数和(自身を含む): 37988748

約数和(自身を除く): 17421856

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14243, 28486, 56972, 270617, 541234, 1082468, 5141723, 10283446, 20566892]

約数ペア:

[(1, 20566892), (2, 10283446), (4, 5141723), (19, 1082468), (38, 541234), (76, 270617), (361, 56972), (722, 28486), (1444, 14243)]