20207860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13841}}^1$

素因数の和:13923

約数の個数: 24

約数和(自身を含む): 43020936

約数和(自身を除く): 22813076

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13841, 27682, 55364, 69205, 138410, 276820, 1010393, 2020786, 4041572, 5051965, 10103930, 20207860]

約数ペア:

[(1, 20207860), (2, 10103930), (4, 5051965), (5, 4041572), (10, 2020786), (20, 1010393), (73, 276820), (146, 138410), (292, 69205), (365, 55364), (730, 27682), (1460, 13841)]