20783870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44221}}^1$

素因数の和:44275

約数の個数: 16

約数和(自身を含む): 38207808

約数和(自身を除く): 17423938

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44221, 88442, 221105, 442210, 2078387, 4156774, 10391935, 20783870]

約数ペア:

[(1, 20783870), (2, 10391935), (5, 4156774), (10, 2078387), (47, 442210), (94, 221105), (235, 88442), (470, 44221)]