2020367587

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{21977}}^1$

素因数の和:22578

約数の個数: 16

約数和(自身を含む): 2413711872

約数和(自身を除く): 393344285

約数列:

[1, 7, 23, 161, 571, 3997, 13133, 21977, 91931, 153839, 505471, 3538297, 12548867, 87842069, 288623941, 2020367587]

約数ペア:

[(1, 2020367587), (7, 288623941), (23, 87842069), (161, 12548867), (571, 3538297), (3997, 505471), (13133, 153839), (21977, 91931)]