220199380

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{41863}}^1$

素因数の和:42135

約数の個数: 24

約数和(自身を含む): 464188032

約数和(自身を除く): 243988652

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 41863, 83726, 167452, 209315, 418630, 837260, 11009969, 22019938, 44039876, 55049845, 110099690, 220199380]

約数ペア:

[(1, 220199380), (2, 110099690), (4, 55049845), (5, 44039876), (10, 22019938), (20, 11009969), (263, 837260), (526, 418630), (1052, 209315), (1315, 167452), (2630, 83726), (5260, 41863)]