20835340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35923}}^1$

素因数の和:35961

約数の個数: 24

約数和(自身を含む): 45264240

約数和(自身を除く): 24428900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35923, 71846, 143692, 179615, 359230, 718460, 1041767, 2083534, 4167068, 5208835, 10417670, 20835340]

約数ペア:

[(1, 20835340), (2, 10417670), (4, 5208835), (5, 4167068), (10, 2083534), (20, 1041767), (29, 718460), (58, 359230), (116, 179615), (145, 143692), (290, 71846), (580, 35923)]