20947537

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2760623

約数列:

[1, 13, 31, 59, 403, 767, 881, 1829, 11453, 23777, 27311, 51979, 355043, 675727, 1611349, 20947537]

約数ペア:

[(1, 20947537), (13, 1611349), (31, 675727), (59, 355043), (403, 51979), (767, 27311), (881, 23777), (1829, 11453)]