20616928

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6379}}^1$

素因数の和:6490

約数の個数: 24

約数和(自身を含む): 40997880

約数和(自身を除く): 20380952

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6379, 12758, 25516, 51032, 102064, 204128, 644279, 1288558, 2577116, 5154232, 10308464, 20616928]

約数ペア:

[(1, 20616928), (2, 10308464), (4, 5154232), (8, 2577116), (16, 1288558), (32, 644279), (101, 204128), (202, 102064), (404, 51032), (808, 25516), (1616, 12758), (3232, 6379)]