20123351668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1\times {\mathrm{8363}}^1$

素因数の和:12916

約数の個数: 48

約数和(自身を含む): 42379384320

約数和(自身を除く): 22256032652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 4523, 8363, 9046, 16726, 18092, 31661, 33452, 58541, 63322, 85937, 117082, 126644, 158897, 171874, 234164, 317794, 343748, 601559, 635588, 1112279, 1203118, 2224558, 2406236, 4449116, 37825849, 75651698, 151303396, 264780943, 529561886, 718691131, 1059123772, 1437382262, 2874764524, 5030837917, 10061675834, 20123351668]

約数ペア:

[(1, 20123351668), (2, 10061675834), (4, 5030837917), (7, 2874764524), (14, 1437382262), (19, 1059123772), (28, 718691131), (38, 529561886), (76, 264780943), (133, 151303396), (266, 75651698), (532, 37825849), (4523, 4449116), (8363, 2406236), (9046, 2224558), (16726, 1203118), (18092, 1112279), (31661, 635588), (33452, 601559), (58541, 343748), (63322, 317794), (85937, 234164), (117082, 171874), (126644, 158897)]