20374864

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 41013248

約数和(自身を除く): 20638384

約数列:

[1, 2, 4, 8, 16, 37, 74, 127, 148, 254, 271, 296, 508, 542, 592, 1016, 1084, 2032, 2168, 4336, 4699, 9398, 10027, 18796, 20054, 34417, 37592, 40108, 68834, 75184, 80216, 137668, 160432, 275336, 550672, 1273429, 2546858, 5093716, 10187432, 20374864]

約数ペア:

[(1, 20374864), (2, 10187432), (4, 5093716), (8, 2546858), (16, 1273429), (37, 550672), (74, 275336), (127, 160432), (148, 137668), (254, 80216), (271, 75184), (296, 68834), (508, 40108), (542, 37592), (592, 34417), (1016, 20054), (1084, 18796), (2032, 10027), (2168, 9398), (4336, 4699)]