20881532

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39251}}^1$

素因数の和:39281

約数の個数: 24

約数和(自身を含む): 43962240

約数和(自身を除く): 23080708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39251, 78502, 157004, 274757, 549514, 745769, 1099028, 1491538, 2983076, 5220383, 10440766, 20881532]

約数ペア:

[(1, 20881532), (2, 10440766), (4, 5220383), (7, 2983076), (14, 1491538), (19, 1099028), (28, 745769), (38, 549514), (76, 274757), (133, 157004), (266, 78502), (532, 39251)]