20178394828

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1988411}}^1$

素因数の和:1988517

約数の個数: 24

約数和(自身を含む): 36745853760

約数和(自身を除く): 16567458932

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2537, 5074, 10148, 1988411, 3976822, 7953644, 85501673, 117316249, 171003346, 234632498, 342006692, 469264996, 5044598707, 10089197414, 20178394828]

約数ペア:

[(1, 20178394828), (2, 10089197414), (4, 5044598707), (43, 469264996), (59, 342006692), (86, 234632498), (118, 171003346), (172, 117316249), (236, 85501673), (2537, 7953644), (5074, 3976822), (10148, 1988411)]