200506820

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{17807}}^1$

素因数の和:18379

約数の個数: 24

約数和(自身を含む): 421835904

約数和(自身を除く): 221329084

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 17807, 35614, 71228, 89035, 178070, 356140, 10025341, 20050682, 40101364, 50126705, 100253410, 200506820]

約数ペア:

[(1, 200506820), (2, 100253410), (4, 50126705), (5, 40101364), (10, 20050682), (20, 10025341), (563, 356140), (1126, 178070), (2252, 89035), (2815, 71228), (5630, 35614), (11260, 17807)]