20989868943

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1\times {\mathrm{133633}}^1$

素因数の和:134954

約数の個数: 16

約数和(自身を含む): 28691754336

約数和(自身を除く): 7701885393

約数列:

[1, 3, 41, 123, 1277, 3831, 52357, 133633, 157071, 400899, 5478953, 16436859, 170649341, 511948023, 6996622981, 20989868943]

約数ペア:

[(1, 20989868943), (3, 6996622981), (41, 511948023), (123, 170649341), (1277, 16436859), (3831, 5478953), (52357, 400899), (133633, 157071)]