20587168

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 26405792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1259, 2044, 2336, 2518, 4088, 5036, 8176, 8813, 10072, 16352, 17626, 20144, 35252, 40288, 70504, 91907, 141008, 183814, 282016, 367628, 643349, 735256, 1286698, 1470512, 2573396, 2941024, 5146792, 10293584, 20587168]

約数ペア:

[(1, 20587168), (2, 10293584), (4, 5146792), (7, 2941024), (8, 2573396), (14, 1470512), (16, 1286698), (28, 735256), (32, 643349), (56, 367628), (73, 282016), (112, 183814), (146, 141008), (224, 91907), (292, 70504), (511, 40288), (584, 35252), (1022, 20144), (1168, 17626), (1259, 16352), (2044, 10072), (2336, 8813), (2518, 8176), (4088, 5036)]