20512781518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5372651}}^1$

素因数の和:5372759

約数の個数: 16

約数和(自身を含む): 32493799296

約数和(自身を除く): 11981017778

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5372651, 10745302, 123570973, 247141946, 445930033, 891860066, 10256390759, 20512781518]

約数ペア:

[(1, 20512781518), (2, 10256390759), (23, 891860066), (46, 445930033), (83, 247141946), (166, 123570973), (1909, 10745302), (3818, 5372651)]