20349724544

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 128

約数和(自身を含む): 42512131200

約数和(自身を除く): 22162406656

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 128, 134, 139, 172, 268, 278, 344, 397, 536, 556, 688, 794, 1072, 1112, 1376, 1588, 2144, 2224, 2752, 2881, 3176, 4288, 4448, 5504, 5762, 5977, 6352, 8576, 8896, 9313, 11524, 11954, 12704, 17071, 17792, 18626, 23048, 23908, 25408, 26599, 34142, 37252, 46096, 47816, 50816, 53198, 55183, 68284, 74504, 92192, 95632, 106396, 110366, 136568, 149008, 184384, 191264, 212792, 220732, 273136, 298016, 368768, 382528, 400459, 425584, 441464, 546272, 596032, 765056, 800918, 851168, 882928, 1092544, 1143757, 1192064, 1601836, 1702336, 1765856, 2185088, 2287514, 2372869, 3203672, 3404672, 3531712, 3697261, 4575028, 4745738, 6407344, 7063424, 7394522, 9150056, 9491476, 12814688, 14789044, 18300112, 18982952, 25629376, 29578088, 36600224, 37965904, 51258752, 59156176, 73200448, 75931808, 118312352, 146400896, 151863616, 158982223, 236624704, 303727232, 317964446, 473249408, 635928892, 1271857784, 2543715568, 5087431136, 10174862272, 20349724544]

約数ペア:

[(1, 20349724544), (2, 10174862272), (4, 5087431136), (8, 2543715568), (16, 1271857784), (32, 635928892), (43, 473249408), (64, 317964446), (67, 303727232), (86, 236624704), (128, 158982223), (134, 151863616), (139, 146400896), (172, 118312352), (268, 75931808), (278, 73200448), (344, 59156176), (397, 51258752), (536, 37965904), (556, 36600224), (688, 29578088), (794, 25629376), (1072, 18982952), (1112, 18300112), (1376, 14789044), (1588, 12814688), (2144, 9491476), (2224, 9150056), (2752, 7394522), (2881, 7063424), (3176, 6407344), (4288, 4745738), (4448, 4575028), (5504, 3697261), (5762, 3531712), (5977, 3404672), (6352, 3203672), (8576, 2372869), (8896, 2287514), (9313, 2185088), (11524, 1765856), (11954, 1702336), (12704, 1601836), (17071, 1192064), (17792, 1143757), (18626, 1092544), (23048, 882928), (23908, 851168), (25408, 800918), (26599, 765056), (34142, 596032), (37252, 546272), (46096, 441464), (47816, 425584), (50816, 400459), (53198, 382528), (55183, 368768), (68284, 298016), (74504, 273136), (92192, 220732), (95632, 212792), (106396, 191264), (110366, 184384), (136568, 149008)]