20009765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1559}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 5599195

約数列:

[1, 5, 17, 85, 151, 755, 1559, 2567, 7795, 12835, 26503, 132515, 235409, 1177045, 4001953, 20009765]

約数ペア:

[(1, 20009765), (5, 4001953), (17, 1177045), (85, 235409), (151, 132515), (755, 26503), (1559, 12835), (2567, 7795)]