20724903

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{773}}^1$

素因数の和:1116

約数の個数: 20

約数和(自身を含む): 31093128

約数和(自身を除く): 10368225

約数列:

[1, 3, 9, 27, 81, 331, 773, 993, 2319, 2979, 6957, 8937, 20871, 26811, 62613, 255863, 767589, 2302767, 6908301, 20724903]

約数ペア:

[(1, 20724903), (3, 6908301), (9, 2302767), (27, 767589), (81, 255863), (331, 62613), (773, 26811), (993, 20871), (2319, 8937), (2979, 6957)]