20041556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1217}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 36832320

約数和(自身を除く): 16790764

約数列:

[1, 2, 4, 23, 46, 92, 179, 358, 716, 1217, 2434, 4117, 4868, 8234, 16468, 27991, 55982, 111964, 217843, 435686, 871372, 5010389, 10020778, 20041556]

約数ペア:

[(1, 20041556), (2, 10020778), (4, 5010389), (23, 871372), (46, 435686), (92, 217843), (179, 111964), (358, 55982), (716, 27991), (1217, 16468), (2434, 8234), (4117, 4868)]