20051759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1231}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4785361

約数列:

[1, 7, 13, 91, 179, 1231, 1253, 2327, 8617, 16003, 16289, 112021, 220349, 1542443, 2864537, 20051759]

約数ペア:

[(1, 20051759), (7, 2864537), (13, 1542443), (91, 220349), (179, 112021), (1231, 16289), (1253, 16003), (2327, 8617)]