20479965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124121}}^1$

素因数の和:124140

約数の個数: 16

約数和(自身を含む): 35747136

約数和(自身を除く): 15267171

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124121, 372363, 620605, 1365331, 1861815, 4095993, 6826655, 20479965]

約数ペア:

[(1, 20479965), (3, 6826655), (5, 4095993), (11, 1861815), (15, 1365331), (33, 620605), (55, 372363), (165, 124121)]