20474289

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2089}}^1$

素因数の和:2123

約数の個数: 30

約数和(自身を含む): 33634370

約数和(自身を除く): 13160081

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2089, 3267, 6267, 9801, 18801, 22979, 56403, 68937, 169209, 206811, 252769, 620433, 758307, 1861299, 2274921, 6824763, 20474289]

約数ペア:

[(1, 20474289), (3, 6824763), (9, 2274921), (11, 1861299), (27, 758307), (33, 620433), (81, 252769), (99, 206811), (121, 169209), (297, 68937), (363, 56403), (891, 22979), (1089, 18801), (2089, 9801), (3267, 6267)]