20747826

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^1\times {\mathrm{3881}}^1$

素因数の和:3909

約数の個数: 48

約数和(自身を含む): 50869728

約数和(自身を除く): 30121902

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 243, 297, 486, 594, 891, 1782, 2673, 3881, 5346, 7762, 11643, 23286, 34929, 42691, 69858, 85382, 104787, 128073, 209574, 256146, 314361, 384219, 628722, 768438, 943083, 1152657, 1886166, 2305314, 3457971, 6915942, 10373913, 20747826]

約数ペア:

[(1, 20747826), (2, 10373913), (3, 6915942), (6, 3457971), (9, 2305314), (11, 1886166), (18, 1152657), (22, 943083), (27, 768438), (33, 628722), (54, 384219), (66, 314361), (81, 256146), (99, 209574), (162, 128073), (198, 104787), (243, 85382), (297, 69858), (486, 42691), (594, 34929), (891, 23286), (1782, 11643), (2673, 7762), (3881, 5346)]