20654816305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{66347}}^1$

素因数の和:66513

約数の個数: 32

約数和(自身を含む): 27229219200

約数和(自身を除く): 6574402895

約数列:

[1, 5, 19, 29, 95, 113, 145, 551, 565, 2147, 2755, 3277, 10735, 16385, 62263, 66347, 311315, 331735, 1260593, 1924063, 6302965, 7497211, 9620315, 36557197, 37486055, 142447009, 182785985, 217419119, 712235045, 1087095595, 4130963261, 20654816305]

約数ペア:

[(1, 20654816305), (5, 4130963261), (19, 1087095595), (29, 712235045), (95, 217419119), (113, 182785985), (145, 142447009), (551, 37486055), (565, 36557197), (2147, 9620315), (2755, 7497211), (3277, 6302965), (10735, 1924063), (16385, 1260593), (62263, 331735), (66347, 311315)]