20035900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1254

約数の個数: 36

約数和(自身を含む): 43747200

約数和(自身を除く): 23711300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1049, 1910, 2098, 3820, 4196, 4775, 5245, 9550, 10490, 19100, 20980, 26225, 52450, 104900, 200359, 400718, 801436, 1001795, 2003590, 4007180, 5008975, 10017950, 20035900]

約数ペア:

[(1, 20035900), (2, 10017950), (4, 5008975), (5, 4007180), (10, 2003590), (20, 1001795), (25, 801436), (50, 400718), (100, 200359), (191, 104900), (382, 52450), (764, 26225), (955, 20980), (1049, 19100), (1910, 10490), (2098, 9550), (3820, 5245), (4196, 4775)]