22217660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5639}}^1$

素因数の和:5845

約数の個数: 24

約数和(自身を含む): 46902240

約数和(自身を除く): 24684580

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 5639, 11278, 22556, 28195, 56390, 112780, 1110883, 2221766, 4443532, 5554415, 11108830, 22217660]

約数ペア:

[(1, 22217660), (2, 11108830), (4, 5554415), (5, 4443532), (10, 2221766), (20, 1110883), (197, 112780), (394, 56390), (788, 28195), (985, 22556), (1970, 11278), (3940, 5639)]