20690628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246317}}^1$

素因数の和:246331

約数の個数: 24

約数和(自身を含む): 55175232

約数和(自身を除く): 34484604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246317, 492634, 738951, 985268, 1477902, 1724219, 2955804, 3448438, 5172657, 6896876, 10345314, 20690628]

約数ペア:

[(1, 20690628), (2, 10345314), (3, 6896876), (4, 5172657), (6, 3448438), (7, 2955804), (12, 1724219), (14, 1477902), (21, 985268), (28, 738951), (42, 492634), (84, 246317)]