20120883

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1789}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 28181760

約数和(自身を除く): 8060877

約数列:

[1, 3, 23, 69, 163, 489, 1789, 3749, 5367, 11247, 41147, 123441, 291607, 874821, 6706961, 20120883]

約数ペア:

[(1, 20120883), (3, 6706961), (23, 874821), (69, 291607), (163, 123441), (489, 41147), (1789, 11247), (3749, 5367)]