20128836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18433}}^1$

素因数の和:18460

約数の個数: 48

約数和(自身を含む): 57809024

約数和(自身を除く): 37680188

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18433, 36866, 55299, 73732, 110598, 129031, 221196, 239629, 258062, 387093, 479258, 516124, 718887, 774186, 958516, 1437774, 1548372, 1677403, 2875548, 3354806, 5032209, 6709612, 10064418, 20128836]

約数ペア:

[(1, 20128836), (2, 10064418), (3, 6709612), (4, 5032209), (6, 3354806), (7, 2875548), (12, 1677403), (13, 1548372), (14, 1437774), (21, 958516), (26, 774186), (28, 718887), (39, 516124), (42, 479258), (52, 387093), (78, 258062), (84, 239629), (91, 221196), (156, 129031), (182, 110598), (273, 73732), (364, 55299), (546, 36866), (1092, 18433)]