2020426765

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{813049}}^1$

素因数の和:813132

約数の個数: 16

約数和(自身を含む): 2809900800

約数和(自身を除く): 789474035

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 813049, 4065245, 5691343, 28456715, 57726479, 288632395, 404085353, 2020426765]

約数ペア:

[(1, 2020426765), (5, 404085353), (7, 288632395), (35, 57726479), (71, 28456715), (355, 5691343), (497, 4065245), (2485, 813049)]