20565902

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13477}}^1$

素因数の和:13595

約数の個数: 16

約数和(自身を含む): 35581920

約数和(自身を除く): 15016018

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13477, 26954, 94339, 188678, 1468993, 2937986, 10282951, 20565902]

約数ペア:

[(1, 20565902), (2, 10282951), (7, 2937986), (14, 1468993), (109, 188678), (218, 94339), (763, 26954), (1526, 13477)]