20020749

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15629}}^1$

素因数の和:15700

約数の個数: 16

約数和(自身を含む): 31009920

約数和(自身を除く): 10989171

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15629, 46887, 109403, 328209, 953369, 2860107, 6673583, 20020749]

約数ペア:

[(1, 20020749), (3, 6673583), (7, 2860107), (21, 953369), (61, 328209), (183, 109403), (427, 46887), (1281, 15629)]