20850999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1481}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 31619952

約数和(自身を除く): 10768953

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1481, 4443, 4693, 14079, 19253, 28139, 57759, 84417, 365807, 534641, 1097421, 1603923, 6950333, 20850999]

約数ペア:

[(1, 20850999), (3, 6950333), (13, 1603923), (19, 1097421), (39, 534641), (57, 365807), (247, 84417), (361, 57759), (741, 28139), (1083, 19253), (1481, 14079), (4443, 4693)]