20209888906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{478069}}^1$

素因数の和:479013

約数の個数: 16

約数和(自身を含む): 31667356800

約数和(自身を除く): 11457467894

約数列:

[1, 2, 23, 46, 919, 1838, 21137, 42274, 478069, 956138, 10995587, 21991174, 439345411, 878690822, 10104944453, 20209888906]

約数ペア:

[(1, 20209888906), (2, 10104944453), (23, 878690822), (46, 439345411), (919, 21991174), (1838, 10995587), (21137, 956138), (42274, 478069)]