20164874572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1\times {\mathrm{2113}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 37409344000

約数和(自身を除く): 17244469428

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 631, 796, 1262, 2113, 2524, 3781, 4226, 7562, 8452, 11989, 15124, 23978, 40147, 47956, 80294, 125569, 160588, 251138, 420487, 502276, 840974, 1333303, 1681948, 2385811, 2666606, 4771622, 5333212, 7989253, 9543244, 15978506, 25332757, 31957012, 50665514, 101331028, 265327297, 530654594, 1061309188, 5041218643, 10082437286, 20164874572]

約数ペア:

[(1, 20164874572), (2, 10082437286), (4, 5041218643), (19, 1061309188), (38, 530654594), (76, 265327297), (199, 101331028), (398, 50665514), (631, 31957012), (796, 25332757), (1262, 15978506), (2113, 9543244), (2524, 7989253), (3781, 5333212), (4226, 4771622), (7562, 2666606), (8452, 2385811), (11989, 1681948), (15124, 1333303), (23978, 840974), (40147, 502276), (47956, 420487), (80294, 251138), (125569, 160588)]