20165684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 44343936

約数和(自身を除く): 24178252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 233, 281, 308, 466, 562, 932, 1124, 1631, 1967, 2563, 3091, 3262, 3934, 5126, 6182, 6524, 7868, 10252, 12364, 17941, 21637, 35882, 43274, 65473, 71764, 86548, 130946, 261892, 458311, 720203, 916622, 1440406, 1833244, 2880812, 5041421, 10082842, 20165684]

約数ペア:

[(1, 20165684), (2, 10082842), (4, 5041421), (7, 2880812), (11, 1833244), (14, 1440406), (22, 916622), (28, 720203), (44, 458311), (77, 261892), (154, 130946), (233, 86548), (281, 71764), (308, 65473), (466, 43274), (562, 35882), (932, 21637), (1124, 17941), (1631, 12364), (1967, 10252), (2563, 7868), (3091, 6524), (3262, 6182), (3934, 5126)]