20767188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31729452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 557, 717, 956, 1114, 1434, 1671, 2228, 2868, 3107, 3342, 6214, 6684, 7241, 9321, 12428, 14482, 18642, 21723, 28964, 37284, 43446, 86892, 133123, 266246, 399369, 532492, 798738, 1597476, 1730599, 3461198, 5191797, 6922396, 10383594, 20767188]

約数ペア:

[(1, 20767188), (2, 10383594), (3, 6922396), (4, 5191797), (6, 3461198), (12, 1730599), (13, 1597476), (26, 798738), (39, 532492), (52, 399369), (78, 266246), (156, 133123), (239, 86892), (478, 43446), (557, 37284), (717, 28964), (956, 21723), (1114, 18642), (1434, 14482), (1671, 12428), (2228, 9321), (2868, 7241), (3107, 6684), (3342, 6214)]