20907230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90901}}^1$

素因数の和:90931

約数の個数: 16

約数和(自身を含む): 39269664

約数和(自身を除く): 18362434

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90901, 181802, 454505, 909010, 2090723, 4181446, 10453615, 20907230]

約数ペア:

[(1, 20907230), (2, 10453615), (5, 4181446), (10, 2090723), (23, 909010), (46, 454505), (115, 181802), (230, 90901)]