20162574128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{343649}}^1$

素因数の和:343869

約数の個数: 40

約数和(自身を含む): 41334222000

約数和(自身を除く): 21171647872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 772, 1544, 3088, 3667, 7334, 14668, 29336, 58672, 343649, 687298, 1374596, 2749192, 5498384, 6529331, 13058662, 26117324, 52234648, 66324257, 104469296, 132648514, 265297028, 530594056, 1061188112, 1260160883, 2520321766, 5040643532, 10081287064, 20162574128]

約数ペア:

[(1, 20162574128), (2, 10081287064), (4, 5040643532), (8, 2520321766), (16, 1260160883), (19, 1061188112), (38, 530594056), (76, 265297028), (152, 132648514), (193, 104469296), (304, 66324257), (386, 52234648), (772, 26117324), (1544, 13058662), (3088, 6529331), (3667, 5498384), (7334, 2749192), (14668, 1374596), (29336, 687298), (58672, 343649)]