20688099

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1787}}^1$

素因数の和:2034

約数の個数: 16

約数和(自身を含む): 29351808

約数和(自身を除く): 8663709

約数列:

[1, 3, 17, 51, 227, 681, 1787, 3859, 5361, 11577, 30379, 91137, 405649, 1216947, 6896033, 20688099]

約数ペア:

[(1, 20688099), (3, 6896033), (17, 1216947), (51, 405649), (227, 91137), (681, 30379), (1787, 11577), (3859, 5361)]