206897980

素因数分解:

$2^2\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{4133}}^1$

素因数の和:6645

約数の個数: 24

約数和(自身を含む): 434764512

約数和(自身を除く): 227866532

約数列:

[1, 2, 4, 5, 10, 20, 2503, 4133, 5006, 8266, 10012, 12515, 16532, 20665, 25030, 41330, 50060, 82660, 10344899, 20689798, 41379596, 51724495, 103448990, 206897980]

約数ペア:

[(1, 206897980), (2, 103448990), (4, 51724495), (5, 41379596), (10, 20689798), (20, 10344899), (2503, 82660), (4133, 50060), (5006, 41330), (8266, 25030), (10012, 20665), (12515, 16532)]