20513190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2029}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 49402080

約数和(自身を除く): 28888890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 337, 674, 1011, 1685, 2022, 2029, 3370, 4058, 5055, 6087, 10110, 10145, 12174, 20290, 30435, 60870, 683773, 1367546, 2051319, 3418865, 4102638, 6837730, 10256595, 20513190]

約数ペア:

[(1, 20513190), (2, 10256595), (3, 6837730), (5, 4102638), (6, 3418865), (10, 2051319), (15, 1367546), (30, 683773), (337, 60870), (674, 30435), (1011, 20290), (1685, 12174), (2022, 10145), (2029, 10110), (3370, 6087), (4058, 5055)]