20701754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7673}}^1$

素因数の和:7765

約数の個数: 16

約数和(自身を含む): 33151680

約数和(自身を除く): 12449926

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7673, 15346, 145787, 291574, 544783, 1089566, 10350877, 20701754]

約数ペア:

[(1, 20701754), (2, 10350877), (19, 1089566), (38, 544783), (71, 291574), (142, 145787), (1349, 15346), (2698, 7673)]