20121551118

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1831}}^1\times {\mathrm{11971}}^1$

素因数の和:13830

約数の個数: 64

約数和(自身を含む): 47374640640

約数和(自身を除く): 27253089522

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 1831, 3662, 5493, 10986, 11971, 16479, 23942, 31127, 32958, 35913, 49437, 62254, 71826, 93381, 98874, 107739, 186762, 203507, 215478, 280143, 323217, 407014, 560286, 610521, 646434, 840429, 1221042, 1680858, 1831563, 3663126, 5494689, 10989378, 21918901, 43837802, 65756703, 131513406, 197270109, 372621317, 394540218, 591810327, 745242634, 1117863951, 1183620654, 2235727902, 3353591853, 6707183706, 10060775559, 20121551118]

約数ペア:

[(1, 20121551118), (2, 10060775559), (3, 6707183706), (6, 3353591853), (9, 2235727902), (17, 1183620654), (18, 1117863951), (27, 745242634), (34, 591810327), (51, 394540218), (54, 372621317), (102, 197270109), (153, 131513406), (306, 65756703), (459, 43837802), (918, 21918901), (1831, 10989378), (3662, 5494689), (5493, 3663126), (10986, 1831563), (11971, 1680858), (16479, 1221042), (23942, 840429), (31127, 646434), (32958, 610521), (35913, 560286), (49437, 407014), (62254, 323217), (71826, 280143), (93381, 215478), (98874, 203507), (107739, 186762)]