20053759

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 3130241

約数列:

[1, 11, 19, 209, 229, 419, 2519, 4351, 4609, 7961, 47861, 87571, 95951, 1055461, 1823069, 20053759]

約数ペア:

[(1, 20053759), (11, 1823069), (19, 1055461), (209, 95951), (229, 87571), (419, 47861), (2519, 7961), (4351, 4609)]