20265495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 34394880

約数和(自身を除く): 14129385

約数列:

[1, 3, 5, 15, 19, 57, 95, 211, 285, 337, 633, 1011, 1055, 1685, 3165, 4009, 5055, 6403, 12027, 19209, 20045, 32015, 60135, 71107, 96045, 213321, 355535, 1066605, 1351033, 4053099, 6755165, 20265495]

約数ペア:

[(1, 20265495), (3, 6755165), (5, 4053099), (15, 1351033), (19, 1066605), (57, 355535), (95, 213321), (211, 96045), (285, 71107), (337, 60135), (633, 32015), (1011, 20045), (1055, 19209), (1685, 12027), (3165, 6403), (4009, 5055)]