20561296

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10799}}^1$

素因数の和:10831

約数の個数: 40

約数和(自身を含む): 48211200

約数和(自身を除く): 27649904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10799, 21598, 43196, 75593, 86392, 151186, 172784, 183583, 302372, 367166, 604744, 734332, 1209488, 1285081, 1468664, 2570162, 2937328, 5140324, 10280648, 20561296]

約数ペア:

[(1, 20561296), (2, 10280648), (4, 5140324), (7, 2937328), (8, 2570162), (14, 1468664), (16, 1285081), (17, 1209488), (28, 734332), (34, 604744), (56, 367166), (68, 302372), (112, 183583), (119, 172784), (136, 151186), (238, 86392), (272, 75593), (476, 43196), (952, 21598), (1904, 10799)]