20187218991

素因数分解:

$3^1\times {\mathrm{557}}^1\times {\mathrm{1709}}^1\times {\mathrm{7069}}^1$

素因数の和:9338

約数の個数: 16

約数和(自身を含む): 26984210400

約数和(自身を除く): 6796991409

約数列:

[1, 3, 557, 1671, 1709, 5127, 7069, 21207, 951913, 2855739, 3937433, 11812299, 12080921, 36242763, 6729072997, 20187218991]

約数ペア:

[(1, 20187218991), (3, 6729072997), (557, 36242763), (1671, 12080921), (1709, 11812299), (5127, 3937433), (7069, 2855739), (21207, 951913)]