20256008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 39873600

約数和(自身を除く): 19617592

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 283, 389, 566, 778, 1132, 1556, 2264, 3112, 6509, 8947, 13018, 17894, 26036, 35788, 52072, 71576, 110087, 220174, 440348, 880696, 2532001, 5064002, 10128004, 20256008]

約数ペア:

[(1, 20256008), (2, 10128004), (4, 5064002), (8, 2532001), (23, 880696), (46, 440348), (92, 220174), (184, 110087), (283, 71576), (389, 52072), (566, 35788), (778, 26036), (1132, 17894), (1556, 13018), (2264, 8947), (3112, 6509)]