20247521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6619}}^1$

素因数の和:6668

約数の個数: 16

約数和(自身を含む): 25420800

約数和(自身を除く): 5173279

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6619, 46333, 125761, 152237, 880327, 1065659, 2892503, 20247521]

約数ペア:

[(1, 20247521), (7, 2892503), (19, 1065659), (23, 880327), (133, 152237), (161, 125761), (437, 46333), (3059, 6619)]