20768144

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5431}}^1$

素因数の和:5678

約数の個数: 20

約数和(自身を含む): 40414080

約数和(自身を除く): 19645936

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5431, 10862, 21724, 43448, 86896, 1298009, 2596018, 5192036, 10384072, 20768144]

約数ペア:

[(1, 20768144), (2, 10384072), (4, 5192036), (8, 2596018), (16, 1298009), (239, 86896), (478, 43448), (956, 21724), (1912, 10862), (3824, 5431)]