20512692025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{96157}}^1$

素因数の和:96250

約数の個数: 48

約数和(自身を含む): 30905950464

約数和(自身を除く): 10393258439

約数列:

[1, 5, 7, 23, 25, 35, 53, 115, 161, 175, 265, 371, 575, 805, 1219, 1325, 1855, 4025, 6095, 8533, 9275, 30475, 42665, 96157, 213325, 480785, 673099, 2211611, 2403925, 3365495, 5096321, 11058055, 15481277, 16827475, 25481605, 35674247, 55290275, 77406385, 117215383, 127408025, 178371235, 387031925, 586076915, 820507681, 891856175, 2930384575, 4102538405, 20512692025]

約数ペア:

[(1, 20512692025), (5, 4102538405), (7, 2930384575), (23, 891856175), (25, 820507681), (35, 586076915), (53, 387031925), (115, 178371235), (161, 127408025), (175, 117215383), (265, 77406385), (371, 55290275), (575, 35674247), (805, 25481605), (1219, 16827475), (1325, 15481277), (1855, 11058055), (4025, 5096321), (6095, 3365495), (8533, 2403925), (9275, 2211611), (30475, 673099), (42665, 480785), (96157, 213325)]