20925020

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3697}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 44109744

約数和(自身を除く): 23184724

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3697, 5660, 7394, 14788, 18485, 36970, 73940, 1046251, 2092502, 4185004, 5231255, 10462510, 20925020]

約数ペア:

[(1, 20925020), (2, 10462510), (4, 5231255), (5, 4185004), (10, 2092502), (20, 1046251), (283, 73940), (566, 36970), (1132, 18485), (1415, 14788), (2830, 7394), (3697, 5660)]