20477847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12211}}^1$

素因数の和:12270

約数の個数: 16

約数和(自身を含む): 30090368

約数和(自身を除く): 9612521

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12211, 36633, 158743, 476229, 525073, 1575219, 6825949, 20477847]

約数ペア:

[(1, 20477847), (3, 6825949), (13, 1575219), (39, 525073), (43, 476229), (129, 158743), (559, 36633), (1677, 12211)]