20760156

素因数分解:

$2^2\times 3^2\times {\mathrm{576671}}^1$

素因数の和:576681

約数の個数: 18

約数和(自身を含む): 52477152

約数和(自身を除く): 31716996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 576671, 1153342, 1730013, 2306684, 3460026, 5190039, 6920052, 10380078, 20760156]

約数ペア:

[(1, 20760156), (2, 10380078), (3, 6920052), (4, 5190039), (6, 3460026), (9, 2306684), (12, 1730013), (18, 1153342), (36, 576671)]