20405979231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5472239}}^1$

素因数の和:5472366

約数の個数: 16

約数和(自身を含む): 29944097280

約数和(自身を除く): 9538118049

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5472239, 16416717, 60194629, 180583887, 618363007, 1855089021, 6801993077, 20405979231]

約数ペア:

[(1, 20405979231), (3, 6801993077), (11, 1855089021), (33, 618363007), (113, 180583887), (339, 60194629), (1243, 16416717), (3729, 5472239)]