20051361

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 32672640

約数和(自身を除く): 12621279

約数列:

[1, 3, 9, 11, 27, 33, 99, 181, 297, 373, 543, 1119, 1629, 1991, 3357, 4103, 4887, 5973, 10071, 12309, 17919, 36927, 53757, 67513, 110781, 202539, 607617, 742643, 1822851, 2227929, 6683787, 20051361]

約数ペア:

[(1, 20051361), (3, 6683787), (9, 2227929), (11, 1822851), (27, 742643), (33, 607617), (99, 202539), (181, 110781), (297, 67513), (373, 53757), (543, 36927), (1119, 17919), (1629, 12309), (1991, 10071), (3357, 5973), (4103, 4887)]