20527684

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 38364480

約数和(自身を除く): 17836796

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5189, 10378, 20756, 119347, 223127, 238694, 446254, 477388, 892508, 5131921, 10263842, 20527684]

約数ペア:

[(1, 20527684), (2, 10263842), (4, 5131921), (23, 892508), (43, 477388), (46, 446254), (86, 238694), (92, 223127), (172, 119347), (989, 20756), (1978, 10378), (3956, 5189)]