20219827551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{33679}}^1$

素因数の和:33836

約数の個数: 64

約数和(自身を含む): 35385016320

約数和(自身を除く): 15165188769

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 113, 161, 231, 253, 339, 483, 759, 791, 1243, 1771, 2373, 2599, 3729, 5313, 7797, 8701, 18193, 26103, 28589, 33679, 54579, 85767, 101037, 200123, 235753, 370469, 600369, 707259, 774617, 1111407, 2323851, 2593283, 3805727, 5422319, 7779849, 8520787, 11417181, 16266957, 25562361, 26640089, 41862997, 59645509, 79920267, 87531721, 125588991, 178936527, 262595163, 293040979, 612722047, 879122937, 962848931, 1838166141, 2888546793, 6739942517, 20219827551]

約数ペア:

[(1, 20219827551), (3, 6739942517), (7, 2888546793), (11, 1838166141), (21, 962848931), (23, 879122937), (33, 612722047), (69, 293040979), (77, 262595163), (113, 178936527), (161, 125588991), (231, 87531721), (253, 79920267), (339, 59645509), (483, 41862997), (759, 26640089), (791, 25562361), (1243, 16266957), (1771, 11417181), (2373, 8520787), (2599, 7779849), (3729, 5422319), (5313, 3805727), (7797, 2593283), (8701, 2323851), (18193, 1111407), (26103, 774617), (28589, 707259), (33679, 600369), (54579, 370469), (85767, 235753), (101037, 200123)]