20851732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 20661740

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 103, 107, 172, 206, 214, 412, 428, 473, 946, 1133, 1177, 1892, 2266, 2354, 4429, 4532, 4601, 4708, 8858, 9202, 11021, 17716, 18404, 22042, 44084, 48719, 50611, 97438, 101222, 121231, 194876, 202444, 242462, 473903, 484924, 947806, 1895612, 5212933, 10425866, 20851732]

約数ペア:

[(1, 20851732), (2, 10425866), (4, 5212933), (11, 1895612), (22, 947806), (43, 484924), (44, 473903), (86, 242462), (103, 202444), (107, 194876), (172, 121231), (206, 101222), (214, 97438), (412, 50611), (428, 48719), (473, 44084), (946, 22042), (1133, 18404), (1177, 17716), (1892, 11021), (2266, 9202), (2354, 8858), (4429, 4708), (4532, 4601)]