20861650

素因数分解:

$2^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1871}}^1$

素因数の和:2106

約数の個数: 24

約数和(自身を含む): 38997504

約数和(自身を除く): 18135854

約数列:

[1, 2, 5, 10, 25, 50, 223, 446, 1115, 1871, 2230, 3742, 5575, 9355, 11150, 18710, 46775, 93550, 417233, 834466, 2086165, 4172330, 10430825, 20861650]

約数ペア:

[(1, 20861650), (2, 10430825), (5, 4172330), (10, 2086165), (25, 834466), (50, 417233), (223, 93550), (446, 46775), (1115, 18710), (1871, 11150), (2230, 9355), (3742, 5575)]