20904420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348407}}^1$

素因数の和:348419

約数の個数: 24

約数和(自身を含む): 58532544

約数和(自身を除く): 37628124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348407, 696814, 1045221, 1393628, 1742035, 2090442, 3484070, 4180884, 5226105, 6968140, 10452210, 20904420]

約数ペア:

[(1, 20904420), (2, 10452210), (3, 6968140), (4, 5226105), (5, 4180884), (6, 3484070), (10, 2090442), (12, 1742035), (15, 1393628), (20, 1045221), (30, 696814), (60, 348407)]