20145803765

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{2417}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 25044754176

約数和(自身を除く): 4898950411

約数列:

[1, 5, 53, 71, 265, 355, 443, 2215, 2417, 3763, 12085, 18815, 23479, 31453, 117395, 128101, 157265, 171607, 640505, 858035, 1070731, 1667009, 5353655, 8335045, 9095171, 45475855, 56748743, 76021901, 283743715, 380109505, 4029160753, 20145803765]

約数ペア:

[(1, 20145803765), (5, 4029160753), (53, 380109505), (71, 283743715), (265, 76021901), (355, 56748743), (443, 45475855), (2215, 9095171), (2417, 8335045), (3763, 5353655), (12085, 1667009), (18815, 1070731), (23479, 858035), (31453, 640505), (117395, 171607), (128101, 157265)]