20605251

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 28207520

約数和(自身を除く): 7602269

約数列:

[1, 3, 61, 109, 183, 327, 1033, 3099, 6649, 19947, 63013, 112597, 189039, 337791, 6868417, 20605251]

約数ペア:

[(1, 20605251), (3, 6868417), (61, 337791), (109, 189039), (183, 112597), (327, 63013), (1033, 19947), (3099, 6649)]