20540145

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10453}}^1$

素因数の和:10592

約数の個数: 16

約数和(自身を含む): 33118272

約数和(自身を除く): 12578127

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10453, 31359, 52265, 156795, 1369343, 4108029, 6846715, 20540145]

約数ペア:

[(1, 20540145), (3, 6846715), (5, 4108029), (15, 1369343), (131, 156795), (393, 52265), (655, 31359), (1965, 10453)]