16888220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4421}}^1$

素因数の和:4621

約数の個数: 24

約数和(自身を含む): 35659008

約数和(自身を除く): 18770788

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4421, 8842, 17684, 22105, 44210, 88420, 844411, 1688822, 3377644, 4222055, 8444110, 16888220]

約数ペア:

[(1, 16888220), (2, 8444110), (4, 4222055), (5, 3377644), (10, 1688822), (20, 844411), (191, 88420), (382, 44210), (764, 22105), (955, 17684), (1910, 8842), (3820, 4421)]