20058280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45587}}^1$

素因数の和:45609

約数の個数: 32

約数和(自身を含む): 49235040

約数和(自身を除く): 29176760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45587, 91174, 182348, 227935, 364696, 455870, 501457, 911740, 1002914, 1823480, 2005828, 2507285, 4011656, 5014570, 10029140, 20058280]

約数ペア:

[(1, 20058280), (2, 10029140), (4, 5014570), (5, 4011656), (8, 2507285), (10, 2005828), (11, 1823480), (20, 1002914), (22, 911740), (40, 501457), (44, 455870), (55, 364696), (88, 227935), (110, 182348), (220, 91174), (440, 45587)]