20493305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30817}}^1$

素因数の和:30848

約数の個数: 16

約数和(自身を含む): 29585280

約数和(自身を除く): 9091975

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30817, 154085, 215719, 585523, 1078595, 2927615, 4098661, 20493305]

約数ペア:

[(1, 20493305), (5, 4098661), (7, 2927615), (19, 1078595), (35, 585523), (95, 215719), (133, 154085), (665, 30817)]