20730333885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81295427}}^1$

素因数の和:81295452

約数の個数: 16

約数和(自身を含む): 35119624896

約数和(自身を除く): 14389291011

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81295427, 243886281, 406477135, 1219431405, 1382022259, 4146066777, 6910111295, 20730333885]

約数ペア:

[(1, 20730333885), (3, 6910111295), (5, 4146066777), (15, 1382022259), (17, 1219431405), (51, 406477135), (85, 243886281), (255, 81295427)]