20697517

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2587283

約数列:

[1, 17, 19, 139, 323, 461, 2363, 2641, 7837, 8759, 44897, 64079, 148903, 1089343, 1217501, 20697517]

約数ペア:

[(1, 20697517), (17, 1217501), (19, 1089343), (139, 148903), (323, 64079), (461, 44897), (2363, 8759), (2641, 7837)]