20775003

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10328997

約数列:

[1, 3, 17, 23, 51, 69, 89, 199, 267, 391, 597, 1173, 1513, 2047, 3383, 4539, 4577, 6141, 10149, 13731, 17711, 34799, 53133, 77809, 104397, 233427, 301087, 407353, 903261, 1222059, 6925001, 20775003]

約数ペア:

[(1, 20775003), (3, 6925001), (17, 1222059), (23, 903261), (51, 407353), (69, 301087), (89, 233427), (199, 104397), (267, 77809), (391, 53133), (597, 34799), (1173, 17711), (1513, 13731), (2047, 10149), (3383, 6141), (4539, 4577)]