20131663120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{84247}}^1$

素因数の和:84392

約数の個数: 80

約数和(自身を含む): 48890799360

約数和(自身を除く): 28759136240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 103, 116, 145, 206, 232, 290, 412, 464, 515, 580, 824, 1030, 1160, 1648, 2060, 2320, 2987, 4120, 5974, 8240, 11948, 14935, 23896, 29870, 47792, 59740, 84247, 119480, 168494, 238960, 336988, 421235, 673976, 842470, 1347952, 1684940, 2443163, 3369880, 4886326, 6739760, 8677441, 9772652, 12215815, 17354882, 19545304, 24431630, 34709764, 39090608, 43387205, 48863260, 69419528, 86774410, 97726520, 138839056, 173548820, 195453040, 251645789, 347097640, 503291578, 694195280, 1006583156, 1258228945, 2013166312, 2516457890, 4026332624, 5032915780, 10065831560, 20131663120]

約数ペア:

[(1, 20131663120), (2, 10065831560), (4, 5032915780), (5, 4026332624), (8, 2516457890), (10, 2013166312), (16, 1258228945), (20, 1006583156), (29, 694195280), (40, 503291578), (58, 347097640), (80, 251645789), (103, 195453040), (116, 173548820), (145, 138839056), (206, 97726520), (232, 86774410), (290, 69419528), (412, 48863260), (464, 43387205), (515, 39090608), (580, 34709764), (824, 24431630), (1030, 19545304), (1160, 17354882), (1648, 12215815), (2060, 9772652), (2320, 8677441), (2987, 6739760), (4120, 4886326), (5974, 3369880), (8240, 2443163), (11948, 1684940), (14935, 1347952), (23896, 842470), (29870, 673976), (47792, 421235), (59740, 336988), (84247, 238960), (119480, 168494)]