20403717207

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{673}}^1\times {\mathrm{2207}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 28811397120

約数和(自身を除く): 8407679913

約数列:

[1, 3, 19, 57, 241, 673, 723, 2019, 2207, 4579, 6621, 12787, 13737, 38361, 41933, 125799, 162193, 486579, 531887, 1485311, 1595661, 3081667, 4455933, 9245001, 10105853, 28220909, 30317559, 84662727, 357959951, 1073879853, 6801239069, 20403717207]

約数ペア:

[(1, 20403717207), (3, 6801239069), (19, 1073879853), (57, 357959951), (241, 84662727), (673, 30317559), (723, 28220909), (2019, 10105853), (2207, 9245001), (4579, 4455933), (6621, 3081667), (12787, 1595661), (13737, 1485311), (38361, 531887), (41933, 486579), (125799, 162193)]