20123997129

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4871459}}^1$

素因数の和:4871491

約数の個数: 24

約数和(自身を含む): 31917805920

約数和(自身を除く): 11793808791

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4871459, 14614377, 43843131, 82814803, 131529393, 248444409, 394588179, 745333227, 1183764537, 2235999681, 6707999043, 20123997129]

約数ペア:

[(1, 20123997129), (3, 6707999043), (9, 2235999681), (17, 1183764537), (27, 745333227), (51, 394588179), (81, 248444409), (153, 131529393), (243, 82814803), (459, 43843131), (1377, 14614377), (4131, 4871459)]