20249072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20747}}^1$

素因数の和:20816

約数の個数: 20

約数和(自身を含む): 39877656

約数和(自身を除く): 19628584

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20747, 41494, 82988, 165976, 331952, 1265567, 2531134, 5062268, 10124536, 20249072]

約数ペア:

[(1, 20249072), (2, 10124536), (4, 5062268), (8, 2531134), (16, 1265567), (61, 331952), (122, 165976), (244, 82988), (488, 41494), (976, 20747)]