20702200

素因数分解:

$2^3\times 5^2\times {\mathrm{103511}}^1$

素因数の和:103527

約数の個数: 24

約数和(自身を含む): 48133080

約数和(自身を除く): 27430880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 103511, 207022, 414044, 517555, 828088, 1035110, 2070220, 2587775, 4140440, 5175550, 10351100, 20702200]

約数ペア:

[(1, 20702200), (2, 10351100), (4, 5175550), (5, 4140440), (8, 2587775), (10, 2070220), (20, 1035110), (25, 828088), (40, 517555), (50, 414044), (100, 207022), (200, 103511)]