20769784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21817}}^1$

素因数の和:21847

約数の個数: 32

約数和(自身を含む): 47126880

約数和(自身を除く): 26357096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21817, 43634, 87268, 152719, 174536, 305438, 370889, 610876, 741778, 1221752, 1483556, 2596223, 2967112, 5192446, 10384892, 20769784]

約数ペア:

[(1, 20769784), (2, 10384892), (4, 5192446), (7, 2967112), (8, 2596223), (14, 1483556), (17, 1221752), (28, 741778), (34, 610876), (56, 370889), (68, 305438), (119, 174536), (136, 152719), (238, 87268), (476, 43634), (952, 21817)]