20377742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 38479104

約数和(自身を除く): 18101362

約数列:

[1, 2, 7, 11, 14, 22, 77, 113, 154, 226, 791, 1171, 1243, 1582, 2342, 2486, 8197, 8701, 12881, 16394, 17402, 25762, 90167, 132323, 180334, 264646, 926261, 1455553, 1852522, 2911106, 10188871, 20377742]

約数ペア:

[(1, 20377742), (2, 10188871), (7, 2911106), (11, 1852522), (14, 1455553), (22, 926261), (77, 264646), (113, 180334), (154, 132323), (226, 90167), (791, 25762), (1171, 17402), (1243, 16394), (1582, 12881), (2342, 8701), (2486, 8197)]