20669517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{743}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 32730048

約数和(自身を除く): 12060531

約数列:

[1, 3, 9, 11, 33, 99, 281, 743, 843, 2229, 2529, 3091, 6687, 8173, 9273, 24519, 27819, 73557, 208783, 626349, 1879047, 2296613, 6889839, 20669517]

約数ペア:

[(1, 20669517), (3, 6889839), (9, 2296613), (11, 1879047), (33, 626349), (99, 208783), (281, 73557), (743, 27819), (843, 24519), (2229, 9273), (2529, 8173), (3091, 6687)]