20449209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14411}}^1$

素因数の和:14468

約数の個数: 16

約数和(自身を含む): 30438144

約数和(自身を除く): 9988935

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14411, 43233, 158521, 475563, 619673, 1859019, 6816403, 20449209]

約数ペア:

[(1, 20449209), (3, 6816403), (11, 1859019), (33, 619673), (43, 475563), (129, 158521), (473, 43233), (1419, 14411)]