20121986726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 33401051136

約数和(自身を除く): 13279064410

約数列:

[1, 2, 17, 31, 34, 62, 173, 211, 346, 422, 523, 527, 1046, 1054, 2941, 3587, 5363, 5882, 6541, 7174, 8891, 10726, 13082, 16213, 17782, 32426, 36503, 73006, 90479, 91171, 110353, 111197, 180958, 182342, 220706, 222394, 275621, 551242, 620551, 1131593, 1241102, 1538143, 1876001, 2263186, 2804849, 3076286, 3420943, 3752002, 5609698, 6841886, 19091069, 19237081, 38182138, 38474162, 47682433, 58156031, 95364866, 116312062, 324548173, 591823139, 649096346, 1183646278, 10060993363, 20121986726]

約数ペア:

[(1, 20121986726), (2, 10060993363), (17, 1183646278), (31, 649096346), (34, 591823139), (62, 324548173), (173, 116312062), (211, 95364866), (346, 58156031), (422, 47682433), (523, 38474162), (527, 38182138), (1046, 19237081), (1054, 19091069), (2941, 6841886), (3587, 5609698), (5363, 3752002), (5882, 3420943), (6541, 3076286), (7174, 2804849), (8891, 2263186), (10726, 1876001), (13082, 1538143), (16213, 1241102), (17782, 1131593), (32426, 620551), (36503, 551242), (73006, 275621), (90479, 222394), (91171, 220706), (110353, 182342), (111197, 180958)]