20479860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113777}}^1$

素因数の和:113792

約数の個数: 36

約数和(自身を含む): 62122788

約数和(自身を除く): 41642928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113777, 227554, 341331, 455108, 568885, 682662, 1023993, 1137770, 1365324, 1706655, 2047986, 2275540, 3413310, 4095972, 5119965, 6826620, 10239930, 20479860]

約数ペア:

[(1, 20479860), (2, 10239930), (3, 6826620), (4, 5119965), (5, 4095972), (6, 3413310), (9, 2275540), (10, 2047986), (12, 1706655), (15, 1365324), (18, 1137770), (20, 1023993), (30, 682662), (36, 568885), (45, 455108), (60, 341331), (90, 227554), (180, 113777)]