20000427

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1709}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7578453

約数列:

[1, 3, 47, 83, 141, 249, 1709, 3901, 5127, 11703, 80323, 141847, 240969, 425541, 6666809, 20000427]

約数ペア:

[(1, 20000427), (3, 6666809), (47, 425541), (83, 240969), (141, 141847), (249, 80323), (1709, 11703), (3901, 5127)]