20487311

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 23573760

約数和(自身を除く): 3086449

約数列:

[1, 13, 29, 31, 377, 403, 899, 1753, 11687, 22789, 50837, 54343, 660881, 706459, 1575947, 20487311]

約数ペア:

[(1, 20487311), (13, 1575947), (29, 706459), (31, 660881), (377, 54343), (403, 50837), (899, 22789), (1753, 11687)]