20238021

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6229}}^1$

素因数の和:6273

約数の個数: 18

約数和(自身を含む): 30857190

約数和(自身を除く): 10619169

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6229, 18687, 56061, 118351, 355053, 1065159, 2248669, 6746007, 20238021]

約数ペア:

[(1, 20238021), (3, 6746007), (9, 2248669), (19, 1065159), (57, 355053), (171, 118351), (361, 56061), (1083, 18687), (3249, 6229)]