2020403872

素因数分解:

$2^5\times {\mathrm{263}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 4009243392

約数和(自身を除く): 1988839520

約数列:

[1, 2, 4, 8, 16, 32, 263, 431, 526, 557, 862, 1052, 1114, 1724, 2104, 2228, 3448, 4208, 4456, 6896, 8416, 8912, 13792, 17824, 113353, 146491, 226706, 240067, 292982, 453412, 480134, 585964, 906824, 960268, 1171928, 1813648, 1920536, 2343856, 3627296, 3841072, 4687712, 7682144, 63137621, 126275242, 252550484, 505100968, 1010201936, 2020403872]

約数ペア:

[(1, 2020403872), (2, 1010201936), (4, 505100968), (8, 252550484), (16, 126275242), (32, 63137621), (263, 7682144), (431, 4687712), (526, 3841072), (557, 3627296), (862, 2343856), (1052, 1920536), (1114, 1813648), (1724, 1171928), (2104, 960268), (2228, 906824), (3448, 585964), (4208, 480134), (4456, 453412), (6896, 292982), (8416, 240067), (8912, 226706), (13792, 146491), (17824, 113353)]