20165786320

素因数分解:

$2^4\times 5^1\times {\mathrm{252072329}}^1$

素因数の和:252072342

約数の個数: 20

約数和(自身を含む): 46885453380

約数和(自身を除く): 26719667060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252072329, 504144658, 1008289316, 1260361645, 2016578632, 2520723290, 4033157264, 5041446580, 10082893160, 20165786320]

約数ペア:

[(1, 20165786320), (2, 10082893160), (4, 5041446580), (5, 4033157264), (8, 2520723290), (10, 2016578632), (16, 1260361645), (20, 1008289316), (40, 504144658), (80, 252072329)]