20827413

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 31143840

約数和(自身を除く): 10316427

約数列:

[1, 3, 9, 59, 61, 177, 183, 531, 549, 643, 1929, 3599, 5787, 10797, 32391, 37937, 39223, 113811, 117669, 341433, 353007, 2314157, 6942471, 20827413]

約数ペア:

[(1, 20827413), (3, 6942471), (9, 2314157), (59, 353007), (61, 341433), (177, 117669), (183, 113811), (531, 39223), (549, 37937), (643, 32391), (1929, 10797), (3599, 5787)]