20948824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1283}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 42603120

約数和(自身を除く): 21654296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 1283, 2041, 2566, 4082, 5132, 8164, 10264, 16328, 16679, 33358, 66716, 133432, 201431, 402862, 805724, 1611448, 2618603, 5237206, 10474412, 20948824]

約数ペア:

[(1, 20948824), (2, 10474412), (4, 5237206), (8, 2618603), (13, 1611448), (26, 805724), (52, 402862), (104, 201431), (157, 133432), (314, 66716), (628, 33358), (1256, 16679), (1283, 16328), (2041, 10264), (2566, 8164), (4082, 5132)]