20748238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47807}}^1$

素因数の和:47847

約数の個数: 16

約数和(自身を含む): 36716544

約数和(自身を除く): 15968306

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47807, 95614, 334649, 669298, 1482017, 2964034, 10374119, 20748238]

約数ペア:

[(1, 20748238), (2, 10374119), (7, 2964034), (14, 1482017), (31, 669298), (62, 334649), (217, 95614), (434, 47807)]