20013783454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{875417}}^1$

素因数の和:875520

約数の個数: 32

約数和(自身を含む): 36305335296

約数和(自身を除く): 16291551842

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 3266, 11431, 22862, 875417, 1750834, 6127919, 12255838, 20134591, 40269182, 62154607, 124309214, 140942137, 281884274, 435082249, 870164498, 1429555961, 2859111922, 10006891727, 20013783454]

約数ペア:

[(1, 20013783454), (2, 10006891727), (7, 2859111922), (14, 1429555961), (23, 870164498), (46, 435082249), (71, 281884274), (142, 140942137), (161, 124309214), (322, 62154607), (497, 40269182), (994, 20134591), (1633, 12255838), (3266, 6127919), (11431, 1750834), (22862, 875417)]