20339600

素因数分解:

$2^4\times 5^2\times {\mathrm{50849}}^1$

素因数の和:50867

約数の個数: 30

約数和(自身を含む): 48866850

約数和(自身を除く): 28527250

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50849, 101698, 203396, 254245, 406792, 508490, 813584, 1016980, 1271225, 2033960, 2542450, 4067920, 5084900, 10169800, 20339600]

約数ペア:

[(1, 20339600), (2, 10169800), (4, 5084900), (5, 4067920), (8, 2542450), (10, 2033960), (16, 1271225), (20, 1016980), (25, 813584), (40, 508490), (50, 406792), (80, 254245), (100, 203396), (200, 101698), (400, 50849)]