20782750

素因数分解:

$2^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 39592800

約数和(自身を除く): 18810050

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 125, 250, 295, 590, 1409, 1475, 2818, 2950, 7045, 7375, 14090, 14750, 35225, 70450, 83131, 166262, 176125, 352250, 415655, 831310, 2078275, 4156550, 10391375, 20782750]

約数ペア:

[(1, 20782750), (2, 10391375), (5, 4156550), (10, 2078275), (25, 831310), (50, 415655), (59, 352250), (118, 176125), (125, 166262), (250, 83131), (295, 70450), (590, 35225), (1409, 14750), (1475, 14090), (2818, 7375), (2950, 7045)]