20281019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22879584

約数和(自身を除く): 2598565

約数列:

[1, 11, 41, 193, 233, 451, 2123, 2563, 7913, 9553, 44969, 87043, 105083, 494659, 1843729, 20281019]

約数ペア:

[(1, 20281019), (11, 1843729), (41, 494659), (193, 105083), (233, 87043), (451, 44969), (2123, 9553), (2563, 7913)]