20118608

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8009}}^1$

素因数の和:8174

約数の個数: 20

約数和(自身を含む): 39232980

約数和(自身を除く): 19114372

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8009, 16018, 32036, 64072, 128144, 1257413, 2514826, 5029652, 10059304, 20118608]

約数ペア:

[(1, 20118608), (2, 10059304), (4, 5029652), (8, 2514826), (16, 1257413), (157, 128144), (314, 64072), (628, 32036), (1256, 16018), (2512, 8009)]