20139856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2791}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 43622208

約数和(自身を除く): 23482352

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2791, 3608, 5582, 7216, 11164, 22328, 30701, 44656, 61402, 114431, 122804, 228862, 245608, 457724, 491216, 915448, 1258741, 1830896, 2517482, 5034964, 10069928, 20139856]

約数ペア:

[(1, 20139856), (2, 10069928), (4, 5034964), (8, 2517482), (11, 1830896), (16, 1258741), (22, 915448), (41, 491216), (44, 457724), (82, 245608), (88, 228862), (164, 122804), (176, 114431), (328, 61402), (451, 44656), (656, 30701), (902, 22328), (1804, 11164), (2791, 7216), (3608, 5582)]