16887940

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{983}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 35542080

約数和(自身を除く): 18654140

約数列:

[1, 2, 4, 5, 10, 20, 859, 983, 1718, 1966, 3436, 3932, 4295, 4915, 8590, 9830, 17180, 19660, 844397, 1688794, 3377588, 4221985, 8443970, 16887940]

約数ペア:

[(1, 16887940), (2, 8443970), (4, 4221985), (5, 3377588), (10, 1688794), (20, 844397), (859, 19660), (983, 17180), (1718, 9830), (1966, 8590), (3436, 4915), (3932, 4295)]