20813268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 55967744

約数和(自身を除く): 35154476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 1951, 2667, 3556, 3902, 5334, 5853, 7804, 10668, 11706, 13657, 23412, 27314, 40971, 54628, 81942, 163884, 247777, 495554, 743331, 991108, 1486662, 1734439, 2973324, 3468878, 5203317, 6937756, 10406634, 20813268]

約数ペア:

[(1, 20813268), (2, 10406634), (3, 6937756), (4, 5203317), (6, 3468878), (7, 2973324), (12, 1734439), (14, 1486662), (21, 991108), (28, 743331), (42, 495554), (84, 247777), (127, 163884), (254, 81942), (381, 54628), (508, 40971), (762, 27314), (889, 23412), (1524, 13657), (1778, 11706), (1951, 10668), (2667, 7804), (3556, 5853), (3902, 5334)]