20713080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 42078120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1709, 2020, 2424, 3030, 3418, 4040, 5127, 6060, 6836, 8545, 10254, 12120, 13672, 17090, 20508, 25635, 34180, 41016, 51270, 68360, 102540, 172609, 205080, 345218, 517827, 690436, 863045, 1035654, 1380872, 1726090, 2071308, 2589135, 3452180, 4142616, 5178270, 6904360, 10356540, 20713080]

約数ペア:

[(1, 20713080), (2, 10356540), (3, 6904360), (4, 5178270), (5, 4142616), (6, 3452180), (8, 2589135), (10, 2071308), (12, 1726090), (15, 1380872), (20, 1035654), (24, 863045), (30, 690436), (40, 517827), (60, 345218), (101, 205080), (120, 172609), (202, 102540), (303, 68360), (404, 51270), (505, 41016), (606, 34180), (808, 25635), (1010, 20508), (1212, 17090), (1515, 13672), (1709, 12120), (2020, 10254), (2424, 8545), (3030, 6836), (3418, 6060), (4040, 5127)]