20118562888

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 38470950000

約数和(自身を除く): 18352387112

約数列:

[1, 2, 4, 8, 137, 149, 274, 298, 349, 353, 548, 596, 698, 706, 1096, 1192, 1396, 1412, 2792, 2824, 20413, 40826, 47813, 48361, 52001, 52597, 81652, 95626, 96722, 104002, 105194, 123197, 163304, 191252, 193444, 208004, 210388, 246394, 382504, 386888, 416008, 420776, 492788, 985576, 7124137, 7205789, 14248274, 14411578, 16877989, 18356353, 28496548, 28823156, 33755978, 36712706, 56993096, 57646312, 67511956, 73425412, 135023912, 146850824, 2514820361, 5029640722, 10059281444, 20118562888]

約数ペア:

[(1, 20118562888), (2, 10059281444), (4, 5029640722), (8, 2514820361), (137, 146850824), (149, 135023912), (274, 73425412), (298, 67511956), (349, 57646312), (353, 56993096), (548, 36712706), (596, 33755978), (698, 28823156), (706, 28496548), (1096, 18356353), (1192, 16877989), (1396, 14411578), (1412, 14248274), (2792, 7205789), (2824, 7124137), (20413, 985576), (40826, 492788), (47813, 420776), (48361, 416008), (52001, 386888), (52597, 382504), (81652, 246394), (95626, 210388), (96722, 208004), (104002, 193444), (105194, 191252), (123197, 163304)]