20794500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4621}}^1$

素因数の和:4646

約数の個数: 72

約数和(自身を含む): 65613912

約数和(自身を除く): 44819412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4621, 9242, 13863, 18484, 23105, 27726, 41589, 46210, 55452, 69315, 83178, 92420, 115525, 138630, 166356, 207945, 231050, 277260, 346575, 415890, 462100, 577625, 693150, 831780, 1039725, 1155250, 1386300, 1732875, 2079450, 2310500, 3465750, 4158900, 5198625, 6931500, 10397250, 20794500]

約数ペア:

[(1, 20794500), (2, 10397250), (3, 6931500), (4, 5198625), (5, 4158900), (6, 3465750), (9, 2310500), (10, 2079450), (12, 1732875), (15, 1386300), (18, 1155250), (20, 1039725), (25, 831780), (30, 693150), (36, 577625), (45, 462100), (50, 415890), (60, 346575), (75, 277260), (90, 231050), (100, 207945), (125, 166356), (150, 138630), (180, 115525), (225, 92420), (250, 83178), (300, 69315), (375, 55452), (450, 46210), (500, 41589), (750, 27726), (900, 23105), (1125, 18484), (1500, 13863), (2250, 9242), (4500, 4621)]