20862296

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28657}}^1$

素因数の和:28683

約数の個数: 32

約数和(自身を含む): 48145440

約数和(自身を除く): 27283144

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28657, 57314, 114628, 200599, 229256, 372541, 401198, 745082, 802396, 1490164, 1604792, 2607787, 2980328, 5215574, 10431148, 20862296]

約数ペア:

[(1, 20862296), (2, 10431148), (4, 5215574), (7, 2980328), (8, 2607787), (13, 1604792), (14, 1490164), (26, 802396), (28, 745082), (52, 401198), (56, 372541), (91, 229256), (104, 200599), (182, 114628), (364, 57314), (728, 28657)]