20904026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73091}}^1$

素因数の和:73117

約数の個数: 16

約数和(自身を含む): 36838368

約数和(自身を除く): 15934342

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73091, 146182, 804001, 950183, 1608002, 1900366, 10452013, 20904026]

約数ペア:

[(1, 20904026), (2, 10452013), (11, 1900366), (13, 1608002), (22, 950183), (26, 804001), (143, 146182), (286, 73091)]