20175643

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 21542400

約数和(自身を除く): 1366757

約数列:

[1, 43, 47, 67, 149, 2021, 2881, 3149, 6407, 7003, 9983, 135407, 301129, 429269, 469201, 20175643]

約数ペア:

[(1, 20175643), (43, 469201), (47, 429269), (67, 301129), (149, 135407), (2021, 9983), (2881, 7003), (3149, 6407)]