13906220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6379}}^1$

素因数の和:6497

約数の個数: 24

約数和(自身を含む): 29475600

約数和(自身を除く): 15569380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6379, 12758, 25516, 31895, 63790, 127580, 695311, 1390622, 2781244, 3476555, 6953110, 13906220]

約数ペア:

[(1, 13906220), (2, 6953110), (4, 3476555), (5, 2781244), (10, 1390622), (20, 695311), (109, 127580), (218, 63790), (436, 31895), (545, 25516), (1090, 12758), (2180, 6379)]