20695259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 23304960

約数和(自身を除く): 2609701

約数列:

[1, 13, 31, 89, 403, 577, 1157, 2759, 7501, 17887, 35867, 51353, 232531, 667589, 1591943, 20695259]

約数ペア:

[(1, 20695259), (13, 1591943), (31, 667589), (89, 232531), (403, 51353), (577, 35867), (1157, 17887), (2759, 7501)]