20856952

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20200328

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 263, 431, 526, 862, 1052, 1724, 2104, 3448, 6049, 9913, 12098, 19826, 24196, 39652, 48392, 79304, 113353, 226706, 453412, 906824, 2607119, 5214238, 10428476, 20856952]

約数ペア:

[(1, 20856952), (2, 10428476), (4, 5214238), (8, 2607119), (23, 906824), (46, 453412), (92, 226706), (184, 113353), (263, 79304), (431, 48392), (526, 39652), (862, 24196), (1052, 19826), (1724, 12098), (2104, 9913), (3448, 6049)]