20464367

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 26442528

約数和(自身を除く): 5978161

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 653, 847, 2849, 4477, 4571, 7183, 24161, 31339, 50281, 79013, 169127, 265771, 553091, 1860397, 2923481, 20464367]

約数ペア:

[(1, 20464367), (7, 2923481), (11, 1860397), (37, 553091), (77, 265771), (121, 169127), (259, 79013), (407, 50281), (653, 31339), (847, 24161), (2849, 7183), (4477, 4571)]