20351152

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 40738464

約数和(自身を除く): 20387312

約数列:

[1, 2, 4, 8, 16, 53, 103, 106, 206, 212, 233, 412, 424, 466, 824, 848, 932, 1648, 1864, 3728, 5459, 10918, 12349, 21836, 23999, 24698, 43672, 47998, 49396, 87344, 95996, 98792, 191992, 197584, 383984, 1271947, 2543894, 5087788, 10175576, 20351152]

約数ペア:

[(1, 20351152), (2, 10175576), (4, 5087788), (8, 2543894), (16, 1271947), (53, 383984), (103, 197584), (106, 191992), (206, 98792), (212, 95996), (233, 87344), (412, 49396), (424, 47998), (466, 43672), (824, 24698), (848, 23999), (932, 21836), (1648, 12349), (1864, 10918), (3728, 5459)]