20924643

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{139}}^2$

素因数の和:319

約数の個数: 18

約数和(自身を含む): 29658564

約数和(自身を除く): 8733921

約数列:

[1, 3, 19, 57, 139, 361, 417, 1083, 2641, 7923, 19321, 50179, 57963, 150537, 367099, 1101297, 6974881, 20924643]

約数ペア:

[(1, 20924643), (3, 6974881), (19, 1101297), (57, 367099), (139, 150537), (361, 57963), (417, 50179), (1083, 19321), (2641, 7923)]