20802378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 23227062

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 251, 502, 727, 753, 1454, 1506, 2181, 4362, 4769, 9538, 13813, 14307, 27626, 28614, 41439, 82878, 182477, 364954, 547431, 1094862, 3467063, 6934126, 10401189, 20802378]

約数ペア:

[(1, 20802378), (2, 10401189), (3, 6934126), (6, 3467063), (19, 1094862), (38, 547431), (57, 364954), (114, 182477), (251, 82878), (502, 41439), (727, 28614), (753, 27626), (1454, 14307), (1506, 13813), (2181, 9538), (4362, 4769)]