20530836

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7219}}^1$

素因数の和:7308

約数の個数: 36

約数和(自身を含む): 52561600

約数和(自身を除く): 32030764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7219, 14438, 21657, 28876, 43314, 64971, 86628, 129942, 259884, 570301, 1140602, 1710903, 2281204, 3421806, 5132709, 6843612, 10265418, 20530836]

約数ペア:

[(1, 20530836), (2, 10265418), (3, 6843612), (4, 5132709), (6, 3421806), (9, 2281204), (12, 1710903), (18, 1140602), (36, 570301), (79, 259884), (158, 129942), (237, 86628), (316, 64971), (474, 43314), (711, 28876), (948, 21657), (1422, 14438), (2844, 7219)]