20403714368

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{99721}}^1$

素因数の和:99895

約数の個数: 56

約数和(自身を含む): 42553371840

約数和(自身を除く): 22149657472

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 139, 184, 278, 368, 556, 736, 1112, 1472, 2224, 3197, 4448, 6394, 8896, 12788, 25576, 51152, 99721, 102304, 199442, 204608, 398884, 797768, 1595536, 2293583, 3191072, 4587166, 6382144, 9174332, 13861219, 18348664, 27722438, 36697328, 55444876, 73394656, 110889752, 146789312, 221779504, 318808037, 443559008, 637616074, 887118016, 1275232148, 2550464296, 5100928592, 10201857184, 20403714368]

約数ペア:

[(1, 20403714368), (2, 10201857184), (4, 5100928592), (8, 2550464296), (16, 1275232148), (23, 887118016), (32, 637616074), (46, 443559008), (64, 318808037), (92, 221779504), (139, 146789312), (184, 110889752), (278, 73394656), (368, 55444876), (556, 36697328), (736, 27722438), (1112, 18348664), (1472, 13861219), (2224, 9174332), (3197, 6382144), (4448, 4587166), (6394, 3191072), (8896, 2293583), (12788, 1595536), (25576, 797768), (51152, 398884), (99721, 204608), (102304, 199442)]