20970390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99859}}^1$

素因数の和:99876

約数の個数: 32

約数和(自身を含む): 57519360

約数和(自身を除く): 36548970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99859, 199718, 299577, 499295, 599154, 699013, 998590, 1398026, 1497885, 2097039, 2995770, 3495065, 4194078, 6990130, 10485195, 20970390]

約数ペア:

[(1, 20970390), (2, 10485195), (3, 6990130), (5, 4194078), (6, 3495065), (7, 2995770), (10, 2097039), (14, 1497885), (15, 1398026), (21, 998590), (30, 699013), (35, 599154), (42, 499295), (70, 299577), (105, 199718), (210, 99859)]