20716542

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14947}}^1$

素因数の和:14973

約数の個数: 48

約数和(自身を含む): 55965312

約数和(自身を除く): 35248770

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14947, 29894, 44841, 89682, 104629, 134523, 164417, 209258, 269046, 313887, 328834, 493251, 627774, 941661, 986502, 1150919, 1479753, 1883322, 2301838, 2959506, 3452757, 6905514, 10358271, 20716542]

約数ペア:

[(1, 20716542), (2, 10358271), (3, 6905514), (6, 3452757), (7, 2959506), (9, 2301838), (11, 1883322), (14, 1479753), (18, 1150919), (21, 986502), (22, 941661), (33, 627774), (42, 493251), (63, 328834), (66, 313887), (77, 269046), (99, 209258), (126, 164417), (154, 134523), (198, 104629), (231, 89682), (462, 44841), (693, 29894), (1386, 14947)]