20506888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19329272

約数列:

[1, 2, 4, 8, 41, 82, 103, 164, 206, 328, 412, 607, 824, 1214, 2428, 4223, 4856, 8446, 16892, 24887, 33784, 49774, 62521, 99548, 125042, 199096, 250084, 500168, 2563361, 5126722, 10253444, 20506888]

約数ペア:

[(1, 20506888), (2, 10253444), (4, 5126722), (8, 2563361), (41, 500168), (82, 250084), (103, 199096), (164, 125042), (206, 99548), (328, 62521), (412, 49774), (607, 33784), (824, 24887), (1214, 16892), (2428, 8446), (4223, 4856)]