20214623

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 24399648

約数和(自身を除く): 4185025

約数列:

[1, 11, 13, 71, 121, 143, 181, 781, 923, 1573, 1991, 2353, 8591, 10153, 12851, 21901, 25883, 111683, 141361, 167063, 284713, 1554971, 1837693, 20214623]

約数ペア:

[(1, 20214623), (11, 1837693), (13, 1554971), (71, 284713), (121, 167063), (143, 141361), (181, 111683), (781, 25883), (923, 21901), (1573, 12851), (1991, 10153), (2353, 8591)]