20225500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2167

約数の個数: 48

約数和(自身を含む): 46519200

約数和(自身を除く): 26293700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2129, 2375, 4258, 4750, 8516, 9500, 10645, 21290, 40451, 42580, 53225, 80902, 106450, 161804, 202255, 212900, 266125, 404510, 532250, 809020, 1011275, 1064500, 2022550, 4045100, 5056375, 10112750, 20225500]

約数ペア:

[(1, 20225500), (2, 10112750), (4, 5056375), (5, 4045100), (10, 2022550), (19, 1064500), (20, 1011275), (25, 809020), (38, 532250), (50, 404510), (76, 266125), (95, 212900), (100, 202255), (125, 161804), (190, 106450), (250, 80902), (380, 53225), (475, 42580), (500, 40451), (950, 21290), (1900, 10645), (2129, 9500), (2375, 8516), (4258, 4750)]