20365259541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{21517}}^1$

素因数の和:21626

約数の個数: 64

約数和(自身を含む): 32721131520

約数和(自身を除く): 12355871979

約数列:

[1, 3, 11, 23, 29, 33, 43, 69, 87, 129, 253, 319, 473, 667, 759, 957, 989, 1247, 1419, 2001, 2967, 3741, 7337, 10879, 13717, 21517, 22011, 28681, 32637, 41151, 64551, 86043, 236687, 315491, 494891, 623993, 710061, 925231, 946473, 1484673, 1871979, 2775693, 5443801, 6863923, 10177541, 14351839, 16331403, 20591769, 21280313, 26831699, 30532623, 43055517, 63840939, 80495097, 157870229, 234083443, 295148689, 473610687, 617129077, 702250329, 885446067, 1851387231, 6788419847, 20365259541]

約数ペア:

[(1, 20365259541), (3, 6788419847), (11, 1851387231), (23, 885446067), (29, 702250329), (33, 617129077), (43, 473610687), (69, 295148689), (87, 234083443), (129, 157870229), (253, 80495097), (319, 63840939), (473, 43055517), (667, 30532623), (759, 26831699), (957, 21280313), (989, 20591769), (1247, 16331403), (1419, 14351839), (2001, 10177541), (2967, 6863923), (3741, 5443801), (7337, 2775693), (10879, 1871979), (13717, 1484673), (21517, 946473), (22011, 925231), (28681, 710061), (32637, 623993), (41151, 494891), (64551, 315491), (86043, 236687)]