20610540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 63488880

約数和(自身を除く): 42878340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1709, 2010, 2412, 3015, 3418, 4020, 5127, 6030, 6836, 8545, 10254, 12060, 15381, 17090, 20508, 25635, 30762, 34180, 51270, 61524, 76905, 102540, 114503, 153810, 229006, 307620, 343509, 458012, 572515, 687018, 1030527, 1145030, 1374036, 1717545, 2061054, 2290060, 3435090, 4122108, 5152635, 6870180, 10305270, 20610540]

約数ペア:

[(1, 20610540), (2, 10305270), (3, 6870180), (4, 5152635), (5, 4122108), (6, 3435090), (9, 2290060), (10, 2061054), (12, 1717545), (15, 1374036), (18, 1145030), (20, 1030527), (30, 687018), (36, 572515), (45, 458012), (60, 343509), (67, 307620), (90, 229006), (134, 153810), (180, 114503), (201, 102540), (268, 76905), (335, 61524), (402, 51270), (603, 34180), (670, 30762), (804, 25635), (1005, 20508), (1206, 17090), (1340, 15381), (1709, 12060), (2010, 10254), (2412, 8545), (3015, 6836), (3418, 6030), (4020, 5127)]