20565874

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9859}}^1$

素因数の和:10017

約数の個数: 16

約数和(自身を含む): 35496000

約数和(自身を除く): 14930126

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9859, 19718, 69013, 138026, 1468991, 2937982, 10282937, 20565874]

約数ペア:

[(1, 20565874), (2, 10282937), (7, 2937982), (14, 1468991), (149, 138026), (298, 69013), (1043, 19718), (2086, 9859)]