20667339

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9941}}^1$

素因数の和:9968

約数の個数: 32

約数和(自身を含む): 38177280

約数和(自身を除く): 17509941

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9941, 29823, 69587, 89469, 109351, 208761, 268407, 328053, 626283, 765457, 984159, 1878849, 2296371, 2952477, 6889113, 20667339]

約数ペア:

[(1, 20667339), (3, 6889113), (7, 2952477), (9, 2296371), (11, 1878849), (21, 984159), (27, 765457), (33, 626283), (63, 328053), (77, 268407), (99, 208761), (189, 109351), (231, 89469), (297, 69587), (693, 29823), (2079, 9941)]