20396467

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4229}}^1$

素因数の和:4302

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 5186573

約数列:

[1, 7, 13, 53, 91, 371, 689, 4229, 4823, 29603, 54977, 224137, 384839, 1568959, 2913781, 20396467]

約数ペア:

[(1, 20396467), (7, 2913781), (13, 1568959), (53, 384839), (91, 224137), (371, 54977), (689, 29603), (4229, 4823)]