20415465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64811}}^1$

素因数の和:64829

約数の個数: 24

約数和(自身を含む): 40442688

約数和(自身を除く): 20027223

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64811, 194433, 324055, 453677, 583299, 972165, 1361031, 2268385, 2916495, 4083093, 6805155, 20415465]

約数ペア:

[(1, 20415465), (3, 6805155), (5, 4083093), (7, 2916495), (9, 2268385), (15, 1361031), (21, 972165), (35, 583299), (45, 453677), (63, 324055), (105, 194433), (315, 64811)]