20728610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17419}}^1$

素因数の和:17450

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 24424030

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17419, 34838, 87095, 121933, 174190, 243866, 296123, 592246, 609665, 1219330, 1480615, 2072861, 2961230, 4145722, 10364305, 20728610]

約数ペア:

[(1, 20728610), (2, 10364305), (5, 4145722), (7, 2961230), (10, 2072861), (14, 1480615), (17, 1219330), (34, 609665), (35, 592246), (70, 296123), (85, 243866), (119, 174190), (170, 121933), (238, 87095), (595, 34838), (1190, 17419)]