20504650288

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{160373}}^1$

素因数の和:160573

約数の個数: 40

約数和(自身を含む): 40687525296

約数和(自身を除く): 20182875008

約数列:

[1, 2, 4, 8, 16, 61, 122, 131, 244, 262, 488, 524, 976, 1048, 2096, 7991, 15982, 31964, 63928, 127856, 160373, 320746, 641492, 1282984, 2565968, 9782753, 19565506, 21008863, 39131012, 42017726, 78262024, 84035452, 156524048, 168070904, 336141808, 1281540643, 2563081286, 5126162572, 10252325144, 20504650288]

約数ペア:

[(1, 20504650288), (2, 10252325144), (4, 5126162572), (8, 2563081286), (16, 1281540643), (61, 336141808), (122, 168070904), (131, 156524048), (244, 84035452), (262, 78262024), (488, 42017726), (524, 39131012), (976, 21008863), (1048, 19565506), (2096, 9782753), (7991, 2565968), (15982, 1282984), (31964, 641492), (63928, 320746), (127856, 160373)]