20274255

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2287}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 35335872

約数和(自身を除く): 15061617

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2287, 2955, 6861, 8865, 11435, 20583, 34305, 102915, 450539, 1351617, 2252695, 4054851, 6758085, 20274255]

約数ペア:

[(1, 20274255), (3, 6758085), (5, 4054851), (9, 2252695), (15, 1351617), (45, 450539), (197, 102915), (591, 34305), (985, 20583), (1773, 11435), (2287, 8865), (2955, 6861)]