20540556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33563}}^1$

素因数の和:33590

約数の個数: 36

約数和(自身を含む): 54977832

約数和(自身を除く): 34437276

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33563, 67126, 100689, 134252, 201378, 302067, 402756, 570571, 604134, 1141142, 1208268, 1711713, 2282284, 3423426, 5135139, 6846852, 10270278, 20540556]

約数ペア:

[(1, 20540556), (2, 10270278), (3, 6846852), (4, 5135139), (6, 3423426), (9, 2282284), (12, 1711713), (17, 1208268), (18, 1141142), (34, 604134), (36, 570571), (51, 402756), (68, 302067), (102, 201378), (153, 134252), (204, 100689), (306, 67126), (612, 33563)]