20707686

素因数分解:

$2^1\times 3^2\times {\mathrm{353}}^1\times {\mathrm{3259}}^1$

素因数の和:3620

約数の個数: 24

約数和(自身を含む): 45007560

約数和(自身を除く): 24299874

約数列:

[1, 2, 3, 6, 9, 18, 353, 706, 1059, 2118, 3177, 3259, 6354, 6518, 9777, 19554, 29331, 58662, 1150427, 2300854, 3451281, 6902562, 10353843, 20707686]

約数ペア:

[(1, 20707686), (2, 10353843), (3, 6902562), (6, 3451281), (9, 2300854), (18, 1150427), (353, 58662), (706, 29331), (1059, 19554), (2118, 9777), (3177, 6518), (3259, 6354)]