19994620

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1669}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 42084000

約数和(自身を除く): 22089380

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1669, 2396, 2995, 3338, 5990, 6676, 8345, 11980, 16690, 33380, 999731, 1999462, 3998924, 4998655, 9997310, 19994620]

約数ペア:

[(1, 19994620), (2, 9997310), (4, 4998655), (5, 3998924), (10, 1999462), (20, 999731), (599, 33380), (1198, 16690), (1669, 11980), (2396, 8345), (2995, 6676), (3338, 5990)]