20118783

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{953}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 27841536

約数和(自身を除く): 7722753

約数列:

[1, 3, 31, 93, 227, 681, 953, 2859, 7037, 21111, 29543, 88629, 216331, 648993, 6706261, 20118783]

約数ペア:

[(1, 20118783), (3, 6706261), (31, 648993), (93, 216331), (227, 88629), (681, 29543), (953, 21111), (2859, 7037)]