20027895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31051}}^1$

素因数の和:31102

約数の個数: 16

約数和(自身を含む): 32790912

約数和(自身を除く): 12763017

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31051, 93153, 155255, 465765, 1335193, 4005579, 6675965, 20027895]

約数ペア:

[(1, 20027895), (3, 6675965), (5, 4005579), (15, 1335193), (43, 465765), (129, 155255), (215, 93153), (645, 31051)]