20371686

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2153}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 43424640

約数和(自身を除く): 23052954

約数列:

[1, 2, 3, 6, 19, 38, 57, 83, 114, 166, 249, 498, 1577, 2153, 3154, 4306, 4731, 6459, 9462, 12918, 40907, 81814, 122721, 178699, 245442, 357398, 536097, 1072194, 3395281, 6790562, 10185843, 20371686]

約数ペア:

[(1, 20371686), (2, 10185843), (3, 6790562), (6, 3395281), (19, 1072194), (38, 536097), (57, 357398), (83, 245442), (114, 178699), (166, 122721), (249, 81814), (498, 40907), (1577, 12918), (2153, 9462), (3154, 6459), (4306, 4731)]