20731064825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43644347}}^1$

素因数の和:43644376

約数の個数: 12

約数和(自身を含む): 27059495760

約数和(自身を除く): 6328430935

約数列:

[1, 5, 19, 25, 95, 475, 43644347, 218221735, 829242593, 1091108675, 4146212965, 20731064825]

約数ペア:

[(1, 20731064825), (5, 4146212965), (19, 1091108675), (25, 829242593), (95, 218221735), (475, 43644347)]