20091303

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 30728880

約数和(自身を除く): 10637577

約数列:

[1, 3, 9, 19, 57, 171, 293, 401, 879, 1203, 2637, 3609, 5567, 7619, 16701, 22857, 50103, 68571, 117493, 352479, 1057437, 2232367, 6697101, 20091303]

約数ペア:

[(1, 20091303), (3, 6697101), (9, 2232367), (19, 1057437), (57, 352479), (171, 117493), (293, 68571), (401, 50103), (879, 22857), (1203, 16701), (2637, 7619), (3609, 5567)]