20858528054

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2557}}^1$

素因数の和:2942

約数の個数: 96

約数和(自身を含む): 41397239520

約数和(自身を除く): 20538711466

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 337, 494, 637, 674, 931, 1274, 1729, 1862, 2359, 2557, 3458, 4381, 4718, 5114, 6403, 8762, 12103, 12806, 16513, 17899, 24206, 30667, 33026, 33241, 35798, 44821, 48583, 61334, 66482, 83239, 89642, 97166, 125293, 166478, 214669, 232687, 250586, 313747, 340081, 429338, 465374, 582673, 627494, 631579, 680162, 861709, 1165346, 1263158, 1628809, 1723418, 2380567, 3257618, 4078711, 4421053, 4761134, 6031963, 8157422, 8842106, 11202217, 12063926, 16372471, 22404434, 30947371, 32744942, 42223741, 61894742, 78415519, 84447482, 114607297, 156831038, 212842123, 229214594, 425684246, 548908633, 802251079, 1097817266, 1489894861, 1604502158, 2979789722, 10429264027, 20858528054]

約数ペア:

[(1, 20858528054), (2, 10429264027), (7, 2979789722), (13, 1604502158), (14, 1489894861), (19, 1097817266), (26, 802251079), (38, 548908633), (49, 425684246), (91, 229214594), (98, 212842123), (133, 156831038), (182, 114607297), (247, 84447482), (266, 78415519), (337, 61894742), (494, 42223741), (637, 32744942), (674, 30947371), (931, 22404434), (1274, 16372471), (1729, 12063926), (1862, 11202217), (2359, 8842106), (2557, 8157422), (3458, 6031963), (4381, 4761134), (4718, 4421053), (5114, 4078711), (6403, 3257618), (8762, 2380567), (12103, 1723418), (12806, 1628809), (16513, 1263158), (17899, 1165346), (24206, 861709), (30667, 680162), (33026, 631579), (33241, 627494), (35798, 582673), (44821, 465374), (48583, 429338), (61334, 340081), (66482, 313747), (83239, 250586), (89642, 232687), (97166, 214669), (125293, 166478)]