20545105

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9623}}^1$

素因数の和:9696

約数の個数: 16

約数和(自身を含む): 28641024

約数和(自身を除く): 8095919

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9623, 48115, 67361, 336805, 587003, 2935015, 4109021, 20545105]

約数ペア:

[(1, 20545105), (5, 4109021), (7, 2935015), (35, 587003), (61, 336805), (305, 67361), (427, 48115), (2135, 9623)]