20930495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4234

約数の個数: 16

約数和(自身を含む): 26943840

約数和(自身を除く): 6013345

約数列:

[1, 5, 19, 53, 95, 265, 1007, 4157, 5035, 20785, 78983, 220321, 394915, 1101605, 4186099, 20930495]

約数ペア:

[(1, 20930495), (5, 4186099), (19, 1101605), (53, 394915), (95, 220321), (265, 78983), (1007, 20785), (4157, 5035)]