20304495

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15559}}^1$

素因数の和:15599

約数の個数: 24

約数和(自身を含む): 36410400

約数和(自身を除く): 16105905

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15559, 46677, 77795, 140031, 233385, 451211, 700155, 1353633, 2256055, 4060899, 6768165, 20304495]

約数ペア:

[(1, 20304495), (3, 6768165), (5, 4060899), (9, 2256055), (15, 1353633), (29, 700155), (45, 451211), (87, 233385), (145, 140031), (261, 77795), (435, 46677), (1305, 15559)]