20310297

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12636903

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 467, 763, 1401, 2071, 2289, 3269, 6213, 8873, 9807, 14497, 26619, 43491, 50903, 62111, 152709, 186333, 356321, 967157, 1068963, 2901471, 6770099, 20310297]

約数ペア:

[(1, 20310297), (3, 6770099), (7, 2901471), (19, 1068963), (21, 967157), (57, 356321), (109, 186333), (133, 152709), (327, 62111), (399, 50903), (467, 43491), (763, 26619), (1401, 14497), (2071, 9807), (2289, 8873), (3269, 6213)]