20892368

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1117}}^1$

素因数の和:1299

約数の個数: 40

約数和(自身を含む): 46580352

約数和(自身を除く): 25687984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1117, 1169, 1336, 2234, 2338, 2672, 4468, 4676, 7819, 8936, 9352, 15638, 17872, 18704, 31276, 62552, 125104, 186539, 373078, 746156, 1305773, 1492312, 2611546, 2984624, 5223092, 10446184, 20892368]

約数ペア:

[(1, 20892368), (2, 10446184), (4, 5223092), (7, 2984624), (8, 2611546), (14, 1492312), (16, 1305773), (28, 746156), (56, 373078), (112, 186539), (167, 125104), (334, 62552), (668, 31276), (1117, 18704), (1169, 17872), (1336, 15638), (2234, 9352), (2338, 8936), (2672, 7819), (4468, 4676)]