20338492

素因数分解:

$2^2\times {\mathrm{151}}^2\times {\mathrm{223}}^1$

素因数の和:529

約数の個数: 18

約数和(自身を含む): 35990304

約数和(自身を除く): 15651812

約数列:

[1, 2, 4, 151, 223, 302, 446, 604, 892, 22801, 33673, 45602, 67346, 91204, 134692, 5084623, 10169246, 20338492]

約数ペア:

[(1, 20338492), (2, 10169246), (4, 5084623), (151, 134692), (223, 91204), (302, 67346), (446, 45602), (604, 33673), (892, 22801)]