20542906

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4507}}^1$

素因数の和:4605

約数の個数: 16

約数和(自身を含む): 32133024

約数和(自身を除く): 11590118

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4507, 4558, 9014, 193801, 238871, 387602, 477742, 10271453, 20542906]

約数ペア:

[(1, 20542906), (2, 10271453), (43, 477742), (53, 387602), (86, 238871), (106, 193801), (2279, 9014), (4507, 4558)]