20767525072

素因数分解:

$2^4\times 7^1\times {\mathrm{10979}}^1\times {\mathrm{16889}}^1$

素因数の和:27883

約数の個数: 40

約数和(自身を含む): 45992145600

約数和(自身を除く): 25224620528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10979, 16889, 21958, 33778, 43916, 67556, 76853, 87832, 118223, 135112, 153706, 175664, 236446, 270224, 307412, 472892, 614824, 945784, 1229648, 1891568, 185424331, 370848662, 741697324, 1297970317, 1483394648, 2595940634, 2966789296, 5191881268, 10383762536, 20767525072]

約数ペア:

[(1, 20767525072), (2, 10383762536), (4, 5191881268), (7, 2966789296), (8, 2595940634), (14, 1483394648), (16, 1297970317), (28, 741697324), (56, 370848662), (112, 185424331), (10979, 1891568), (16889, 1229648), (21958, 945784), (33778, 614824), (43916, 472892), (67556, 307412), (76853, 270224), (87832, 236446), (118223, 175664), (135112, 153706)]