20253885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79427}}^1$

素因数の和:79452

約数の個数: 16

約数和(自身を含む): 34312896

約数和(自身を除く): 14059011

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79427, 238281, 397135, 1191405, 1350259, 4050777, 6751295, 20253885]

約数ペア:

[(1, 20253885), (3, 6751295), (5, 4050777), (15, 1350259), (17, 1191405), (51, 397135), (85, 238281), (255, 79427)]