20514402999

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{345727}}^1$

素因数の和:346099

約数の個数: 24

約数和(自身を含む): 31281469440

約数和(自身を除く): 10767066441

約数列:

[1, 3, 9, 19, 57, 171, 347, 1041, 3123, 6593, 19779, 59337, 345727, 1037181, 3111543, 6568813, 19706439, 59119317, 119967269, 359901807, 1079705421, 2279378111, 6838134333, 20514402999]

約数ペア:

[(1, 20514402999), (3, 6838134333), (9, 2279378111), (19, 1079705421), (57, 359901807), (171, 119967269), (347, 59119317), (1041, 19706439), (3123, 6568813), (6593, 3111543), (19779, 1037181), (59337, 345727)]