20451025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5081}}^1$

素因数の和:5121

約数の個数: 24

約数和(自身を含む): 30248064

約数和(自身を除く): 9797039

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5081, 25405, 35567, 116863, 127025, 177835, 584315, 818041, 889175, 2921575, 4090205, 20451025]

約数ペア:

[(1, 20451025), (5, 4090205), (7, 2921575), (23, 889175), (25, 818041), (35, 584315), (115, 177835), (161, 127025), (175, 116863), (575, 35567), (805, 25405), (4025, 5081)]