2020400031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{395459}}^1$

素因数の和:395606

約数の個数: 16

約数和(自身を含む): 2923240320

約数和(自身を除く): 902840289

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 395459, 1186377, 5140967, 15422901, 51805129, 155415387, 673466677, 2020400031]

約数ペア:

[(1, 2020400031), (3, 673466677), (13, 155415387), (39, 51805129), (131, 15422901), (393, 5140967), (1703, 1186377), (5109, 395459)]