20083621808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1\times {\mathrm{757}}^1$

素因数の和:1486

約数の個数: 80

約数和(自身を含む): 40739892480

約数和(自身を除く): 20656270672

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 601, 712, 757, 1202, 1424, 1514, 2404, 2759, 3028, 4808, 5518, 6056, 9616, 11036, 12112, 18631, 22072, 23467, 37262, 44144, 46934, 53489, 67373, 74524, 93868, 106978, 134746, 149048, 187736, 213956, 269492, 298096, 375472, 427912, 454957, 538984, 855824, 909914, 1077968, 1658159, 1819828, 2088563, 3316318, 3639656, 4177126, 6632636, 7279312, 8354252, 13265272, 14103667, 16708504, 26530544, 28207334, 33417008, 40491173, 56414668, 80982346, 112829336, 161964692, 225658672, 323929384, 647858768, 1255226363, 2510452726, 5020905452, 10041810904, 20083621808]

約数ペア:

[(1, 20083621808), (2, 10041810904), (4, 5020905452), (8, 2510452726), (16, 1255226363), (31, 647858768), (62, 323929384), (89, 225658672), (124, 161964692), (178, 112829336), (248, 80982346), (356, 56414668), (496, 40491173), (601, 33417008), (712, 28207334), (757, 26530544), (1202, 16708504), (1424, 14103667), (1514, 13265272), (2404, 8354252), (2759, 7279312), (3028, 6632636), (4808, 4177126), (5518, 3639656), (6056, 3316318), (9616, 2088563), (11036, 1819828), (12112, 1658159), (18631, 1077968), (22072, 909914), (23467, 855824), (37262, 538984), (44144, 454957), (46934, 427912), (53489, 375472), (67373, 298096), (74524, 269492), (93868, 213956), (106978, 187736), (134746, 149048)]