20585712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 61281792

約数和(自身を除く): 40696080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 197, 311, 336, 394, 591, 622, 788, 933, 1182, 1244, 1379, 1576, 1866, 2177, 2364, 2488, 2758, 3152, 3732, 4137, 4354, 4728, 4976, 5516, 6531, 7464, 8274, 8708, 9456, 11032, 13062, 14928, 16548, 17416, 22064, 26124, 33096, 34832, 52248, 61267, 66192, 104496, 122534, 183801, 245068, 367602, 428869, 490136, 735204, 857738, 980272, 1286607, 1470408, 1715476, 2573214, 2940816, 3430952, 5146428, 6861904, 10292856, 20585712]

約数ペア:

[(1, 20585712), (2, 10292856), (3, 6861904), (4, 5146428), (6, 3430952), (7, 2940816), (8, 2573214), (12, 1715476), (14, 1470408), (16, 1286607), (21, 980272), (24, 857738), (28, 735204), (42, 490136), (48, 428869), (56, 367602), (84, 245068), (112, 183801), (168, 122534), (197, 104496), (311, 66192), (336, 61267), (394, 52248), (591, 34832), (622, 33096), (788, 26124), (933, 22064), (1182, 17416), (1244, 16548), (1379, 14928), (1576, 13062), (1866, 11032), (2177, 9456), (2364, 8708), (2488, 8274), (2758, 7464), (3152, 6531), (3732, 5516), (4137, 4976), (4354, 4728)]