20722510081

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{33503}}^1$

素因数の和:34501

約数の個数: 24

約数和(自身を含む): 25987578624

約数和(自身を除く): 5265068543

約数列:

[1, 7, 13, 49, 91, 637, 971, 6797, 12623, 33503, 47579, 88361, 234521, 435539, 618527, 1641647, 3048773, 21341411, 32531413, 227719891, 422908369, 1594039237, 2960358583, 20722510081]

約数ペア:

[(1, 20722510081), (7, 2960358583), (13, 1594039237), (49, 422908369), (91, 227719891), (637, 32531413), (971, 21341411), (6797, 3048773), (12623, 1641647), (33503, 618527), (47579, 435539), (88361, 234521)]