20163880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45827}}^1$

素因数の和:45849

約数の個数: 32

約数和(自身を含む): 49494240

約数和(自身を除く): 29330360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45827, 91654, 183308, 229135, 366616, 458270, 504097, 916540, 1008194, 1833080, 2016388, 2520485, 4032776, 5040970, 10081940, 20163880]

約数ペア:

[(1, 20163880), (2, 10081940), (4, 5040970), (5, 4032776), (8, 2520485), (10, 2016388), (11, 1833080), (20, 1008194), (22, 916540), (40, 504097), (44, 458270), (55, 366616), (88, 229135), (110, 183308), (220, 91654), (440, 45827)]