20875426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 16718942

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1553, 3106, 6721, 13442, 17083, 20189, 34166, 40378, 72991, 145982, 222079, 444158, 802901, 948883, 1605802, 1897766, 10437713, 20875426]

約数ペア:

[(1, 20875426), (2, 10437713), (11, 1897766), (13, 1605802), (22, 948883), (26, 802901), (47, 444158), (94, 222079), (143, 145982), (286, 72991), (517, 40378), (611, 34166), (1034, 20189), (1222, 17083), (1553, 13442), (3106, 6721)]