20118324

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 48570368

約数和(自身を除く): 28452044

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 127, 129, 172, 254, 258, 307, 381, 508, 516, 614, 762, 921, 1228, 1524, 1842, 3684, 5461, 10922, 13201, 16383, 21844, 26402, 32766, 38989, 39603, 52804, 65532, 77978, 79206, 116967, 155956, 158412, 233934, 467868, 1676527, 3353054, 5029581, 6706108, 10059162, 20118324]

約数ペア:

[(1, 20118324), (2, 10059162), (3, 6706108), (4, 5029581), (6, 3353054), (12, 1676527), (43, 467868), (86, 233934), (127, 158412), (129, 155956), (172, 116967), (254, 79206), (258, 77978), (307, 65532), (381, 52804), (508, 39603), (516, 38989), (614, 32766), (762, 26402), (921, 21844), (1228, 16383), (1524, 13201), (1842, 10922), (3684, 5461)]