20605533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1721}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 29701056

約数和(自身を除く): 9095523

約数列:

[1, 3, 13, 39, 307, 921, 1721, 3991, 5163, 11973, 22373, 67119, 528347, 1585041, 6868511, 20605533]

約数ペア:

[(1, 20605533), (3, 6868511), (13, 1585041), (39, 528347), (307, 67119), (921, 22373), (1721, 11973), (3991, 5163)]