20154136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20237864

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 1979, 2546, 3958, 5092, 7916, 10184, 15832, 37601, 75202, 132593, 150404, 265186, 300808, 530372, 1060744, 2519267, 5038534, 10077068, 20154136]

約数ペア:

[(1, 20154136), (2, 10077068), (4, 5038534), (8, 2519267), (19, 1060744), (38, 530372), (67, 300808), (76, 265186), (134, 150404), (152, 132593), (268, 75202), (536, 37601), (1273, 15832), (1979, 10184), (2546, 7916), (3958, 5092)]