20137664032

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1838

約数の個数: 96

約数和(自身を含む): 41764993200

約数和(自身を除く): 21627329168

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 157, 178, 232, 314, 356, 464, 628, 712, 928, 1256, 1424, 1553, 2512, 2581, 2848, 3106, 4553, 5024, 5162, 6212, 9106, 10324, 12424, 13973, 18212, 20648, 24848, 27946, 36424, 41296, 45037, 49696, 55892, 72848, 82592, 90074, 111784, 138217, 145696, 180148, 223568, 243821, 276434, 360296, 405217, 447136, 487642, 552868, 720592, 810434, 975284, 1105736, 1441184, 1620868, 1950568, 2211472, 3241736, 3901136, 4008293, 4422944, 6483472, 7070809, 7802272, 8016586, 12966944, 14141618, 16033172, 21700069, 28283236, 32066344, 43400138, 56566472, 64132688, 86800276, 113132944, 128265376, 173600552, 226265888, 347201104, 629302001, 694402208, 1258604002, 2517208004, 5034416008, 10068832016, 20137664032]

約数ペア:

[(1, 20137664032), (2, 10068832016), (4, 5034416008), (8, 2517208004), (16, 1258604002), (29, 694402208), (32, 629302001), (58, 347201104), (89, 226265888), (116, 173600552), (157, 128265376), (178, 113132944), (232, 86800276), (314, 64132688), (356, 56566472), (464, 43400138), (628, 32066344), (712, 28283236), (928, 21700069), (1256, 16033172), (1424, 14141618), (1553, 12966944), (2512, 8016586), (2581, 7802272), (2848, 7070809), (3106, 6483472), (4553, 4422944), (5024, 4008293), (5162, 3901136), (6212, 3241736), (9106, 2211472), (10324, 1950568), (12424, 1620868), (13973, 1441184), (18212, 1105736), (20648, 975284), (24848, 810434), (27946, 720592), (36424, 552868), (41296, 487642), (45037, 447136), (49696, 405217), (55892, 360296), (72848, 276434), (82592, 243821), (90074, 223568), (111784, 180148), (138217, 145696)]