20763681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 10081119

約数列:

[1, 3, 17, 29, 51, 87, 101, 139, 303, 417, 493, 1479, 1717, 2363, 2929, 4031, 5151, 7089, 8787, 12093, 14039, 42117, 49793, 68527, 149379, 205581, 238663, 407131, 715989, 1221393, 6921227, 20763681]

約数ペア:

[(1, 20763681), (3, 6921227), (17, 1221393), (29, 715989), (51, 407131), (87, 238663), (101, 205581), (139, 149379), (303, 68527), (417, 49793), (493, 42117), (1479, 14039), (1717, 12093), (2363, 8787), (2929, 7089), (4031, 5151)]