20148778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40787}}^1$

素因数の和:40821

約数の個数: 16

約数和(自身を含む): 34261920

約数和(自身を除く): 14113142

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40787, 81574, 530231, 774953, 1060462, 1549906, 10074389, 20148778]

約数ペア:

[(1, 20148778), (2, 10074389), (13, 1549906), (19, 1060462), (26, 774953), (38, 530231), (247, 81574), (494, 40787)]