20081936

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9437}}^1$

素因数の和:9471

約数の個数: 40

約数和(自身を含む): 46812480

約数和(自身を除く): 26730544

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9437, 18874, 37748, 66059, 75496, 132118, 150992, 179303, 264236, 358606, 528472, 717212, 1056944, 1255121, 1434424, 2510242, 2868848, 5020484, 10040968, 20081936]

約数ペア:

[(1, 20081936), (2, 10040968), (4, 5020484), (7, 2868848), (8, 2510242), (14, 1434424), (16, 1255121), (19, 1056944), (28, 717212), (38, 528472), (56, 358606), (76, 264236), (112, 179303), (133, 150992), (152, 132118), (266, 75496), (304, 66059), (532, 37748), (1064, 18874), (2128, 9437)]