20723188

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 36953280

約数和(自身を除く): 16230092

約数列:

[1, 2, 4, 103, 179, 206, 281, 358, 412, 562, 716, 1124, 18437, 28943, 36874, 50299, 57886, 73748, 100598, 115772, 201196, 5180797, 10361594, 20723188]

約数ペア:

[(1, 20723188), (2, 10361594), (4, 5180797), (103, 201196), (179, 115772), (206, 100598), (281, 73748), (358, 57886), (412, 50299), (562, 36874), (716, 28943), (1124, 18437)]