20123189863

素因数分解:

$7^1\times {\mathrm{977}}^1\times {\mathrm{1607}}^1\times {\mathrm{1831}}^1$

素因数の和:4422

約数の個数: 16

約数和(自身を含む): 23048377344

約数和(自身を除く): 2925187481

約数列:

[1, 7, 977, 1607, 1831, 6839, 11249, 12817, 1570039, 1788887, 2942417, 10990273, 12522209, 20596919, 2874741409, 20123189863]

約数ペア:

[(1, 20123189863), (7, 2874741409), (977, 20596919), (1607, 12522209), (1831, 10990273), (6839, 2942417), (11249, 1788887), (12817, 1570039)]