20993836

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 37422000

約数和(自身を除く): 16428164

約数列:

[1, 2, 4, 109, 179, 218, 269, 358, 436, 538, 716, 1076, 19511, 29321, 39022, 48151, 58642, 78044, 96302, 117284, 192604, 5248459, 10496918, 20993836]

約数ペア:

[(1, 20993836), (2, 10496918), (4, 5248459), (109, 192604), (179, 117284), (218, 96302), (269, 78044), (358, 58642), (436, 48151), (538, 39022), (716, 29321), (1076, 19511)]