20111877

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 10158363

約数列:

[1, 3, 9, 29, 87, 251, 261, 307, 753, 921, 2259, 2763, 7279, 8903, 21837, 26709, 65511, 77057, 80127, 231171, 693513, 2234653, 6703959, 20111877]

約数ペア:

[(1, 20111877), (3, 6703959), (9, 2234653), (29, 693513), (87, 231171), (251, 80127), (261, 77057), (307, 65511), (753, 26709), (921, 21837), (2259, 8903), (2763, 7279)]