20105972584

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{1193}}^1\times {\mathrm{2113}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 37786016520

約数和(自身を除く): 17680043936

約数列:

[1, 2, 4, 8, 997, 1193, 1994, 2113, 2386, 3988, 4226, 4772, 7976, 8452, 9544, 16904, 1189421, 2106661, 2378842, 2520809, 4213322, 4757684, 5041618, 8426644, 9515368, 10083236, 16853288, 20166472, 2513246573, 5026493146, 10052986292, 20105972584]

約数ペア:

[(1, 20105972584), (2, 10052986292), (4, 5026493146), (8, 2513246573), (997, 20166472), (1193, 16853288), (1994, 10083236), (2113, 9515368), (2386, 8426644), (3988, 5041618), (4226, 4757684), (4772, 4213322), (7976, 2520809), (8452, 2378842), (9544, 2106661), (16904, 1189421)]